2-1. Driving procedures
Driving the vehicle
The following procedures should be observed to ensure safe driving.
■ Starting the engine (RX350)
→P. 205
■ Starting the hybrid system (RX450h)
→P. 211
■ Driving
STEP 1 With the brake pedal depressed, shift the shift lever to D.
(→P. 220, 227, 236)
STEP 2 Release the parking brake. (→P. 245)
Gradually release the brake pedal and gently depress the
accelerator pedal to accelerate the vehicle.
■ Stopping
STEP 1 With the shift lever in D, depress the brake pedal.
STEP 2 If necessary, set the parking brake.
STEP 3
RX350: If the vehicle is to be stopped for an extended period of
time, shift the shift lever to P or N. (→P. 220, 227)
RX450h: If the vehicle is to be stopped for an extended period of
time, shift the shift lever to P. (→P. 236)
■ Parking the vehicle
STEP 1 With the shift lever in D, depress the brake pedal.
STEP 2 Set the parking brake. (→P. 245)
STEP 3 Shift the shift lever to P. (→P. 220, 227, 236)
If parking on a hill, block the wheels as needed.
STEP 4
STEP 5
192
RX350: Press the “ENGINE START STOP” switch to stop the
engine.
RX450h: Press the “POWER” switch to stop the hybrid system.
Lock the door, making sure that you have the electronic key on
your person.
2-1. Driving procedures
Starting off on a steep uphill
STEP 1
STEP 2
STEP 3
Make sure that the parking brake is set and shift the shift lever to
D.
Gently depress the accelerator pedal.
Release the parking brake.
■ Driving in the rain
● Drive carefully when it is raining, because visibility will be reduced, the windows
2
may become fogged-up, and the road will be slippery.
slippery.
● Refrain from high speeds when driving on an expressway in the rain, because
there may be a layer of water between the tires and the road surface, preventing
the steering and brakes from operating properly.
■ Engine speed while driving (RX350)
In the following conditions, the engine speed may become high while driving. This is
due to automatic up-shifting control or down-shifting implementation to meet driving conditions. It does not indicate sudden acceleration.
● The vehicle is judged to be driving uphill or downhill
● When the accelerator pedal is released
■ Breaking in your new Lexus
To extend the life of the vehicle, observing the following precautions is recommended:
● For the first 200 miles (300 km):
Avoid sudden stops.
● For the first 500 miles (800 km):
Do not tow a trailer.
● For the first 1000 miles (1600 km):
•
•
•
•
Do not drive at extremely high speeds.
Avoid sudden acceleration.
Do not drive continuously in low gears.
Do not drive at a constant speed for extended periods.
193
When driving
● Drive carefully when it starts to rain, because the road surface will be especially
2-1. Driving procedures
■ Drum-in-disc type parking brake system
Your vehicle has a drum-in-disc type parking brake system. This type of brake system needs bedding-down of the brake shoes periodically or whenever the parking
brake shoes and/or drum are replaced. Have your Lexus dealer perform the bedding down operation.
■ Operating your vehicle in a foreign country
Comply with the relevant vehicle registration laws and confirm the availability of the
correct fuel. (→P. 947)
■ For efficient use (RX450h)
● Shift the shift lever to D when driving.
In the N position, the gasoline engine operates but electricity cannot be generated. The hybrid battery (traction battery) will discharge, requiring unnecessary
engine power to recharge.
● Drive your vehicle smoothly.
Avoid abrupt acceleration and deceleration. Gradual acceleration and deceleration will make more effective use of the electric motor (traction motor) without having to use gasoline engine power.
● Avoid repeated acceleration.
Repeated acceleration consumes hybrid battery (traction battery) power,
resulting in poor acceleration. Battery power can be restored by driving with
the accelerator pedal slightly released.
● Shift the shift lever to P when parking.
In the N position, the hybrid battery (traction battery) does not recharge.
Leaving the shift lever in the N position for an extended period of time may discharge the hybrid battery. The vehicle cannot run if the hybrid battery is discharged.
194
2-1. Driving procedures
■ Eco-friendly driving (RX350)
During Eco-friendly acceleration (Eco driving), Eco Driving Indicator Light will turn on.
When the acceleration exceeds Zone of Eco
driving, and when the vehicle is stopped, the
light turns off.
Eco Driving Indicator Light will not operate in
the following conditions:
2
● The shift lever is in anything other than D.
● The paddle shift switch is operated. (if
● The driving mode is set to snow mode.
(→P. 222, 229)
● The vehicle speed is approximately 80
mph (130 km/h) or higher.
■ Eco-friendly driving (RX450h)
→P. 250
■ Customization (RX350)
Setting of Eco Driving Indicator Light can be changed.
(Customizable features →P. 980)
CAUTION
■ When starting the vehicle
RX350
Always keep your foot on the brake pedal while stopped with the engine running.
This prevents the vehicle from creeping.
RX450h
Always keep your foot on the brake pedal while stopped with the hybrid system
operating. This prevents the vehicle from creeping.
195
When driving
equipped)
2-1. Driving procedures
CAUTION
■ When driving the vehicle
● Do not drive if you are unfamiliar with the location of the brake and accelerator
pedals to avoid depressing the wrong pedal.
• Accidentally depressing the accelerator pedal instead of the brake pedal will
result in sudden acceleration that may lead to an accident that could result in
death or serious injury.
• When backing up, you may twist your body around, leading to a difficulty in
operating the pedals. Make sure to operate the pedals properly.
• Make sure to keep a correct driving posture even when moving the vehicle
only slightly. This allows you to depress the brake and accelerator pedals
properly.
• Depress the brake pedal using your right foot. Depressing the brake pedal
using your left foot may delay response in an emergency, resulting in an accident.
● RX450h: When the hybrid vehicle is driven using the electric motor only, no
engine noise is made. As such, pedestrians, people riding bicycles or other people and vehicles in the surrounding area may not realize that the vehicle is
approaching. Even with the Vehicle Proximity Notification System active, people
may not realize the vehicle is approaching when the surrounding area is noisy
and so forth. Therefore, take extra care while driving.
● Do not drive the vehicle over or stop the vehicle near flammable materials.
The exhaust system and exhaust gases can be extremely hot. These hot parts may
cause a fire if there is any flammable material nearby.
● Do not let the vehicle roll backward while the shift lever is in a driving position, or
roll forward while the shift lever is in R.
RX350: Doing so may cause the engine to stall or lead to poor brake and steering performance, resulting in an accident or damage to the vehicle.
RX450h: Doing so may result in an accident or damage to the vehicle.
● If the smell of exhaust is noticed inside the vehicle, open the windows and check
that the back door is closed. Large amounts of exhaust in the vehicle can cause
driver drowsiness and an accident, resulting in death or a serious health hazard.
Have the vehicle inspected by your Lexus dealer immediately.
● Do not shift the shift lever to P while the vehicle is moving.
Doing so can damage the transmission and may result in a loss of vehicle control.
196
2-1. Driving procedures
CAUTION
● Do not shift the shift lever to R while the vehicle is moving forward.
Doing so can damage the transmission and may result in a loss of vehicle control.
● Do not shift the shift lever to D while the vehicle is moving backward.
Doing so can damage the transmission and may result in a loss of vehicle control.
● RX350: Moving the shift lever to N while the vehicle is moving will disengage the
engine from the transmission. Engine braking is not available when N is selected.
● RX450h: Moving the shift lever to N while the vehicle is moving will disengage
● RX350: During normal driving, do not turn off the engine. Turning the engine off
while driving will not cause loss of steering or braking control, but the power
assist to these systems will be lost. This will make it more difficult to steer and
brake, so you should pull over and stop the vehicle as soon as it is safe to do so.
However, in the event of an emergency, such as if it becomes impossible to stop
the vehicle in the normal way: →P. 940
● RX450h: During normal driving, do not turn off the hybrid system. Turning the
hybrid system off while driving will not cause loss of steering or braking control,
but the power assist to these systems will be lost. This will make it more difficult to
steer and brake, so you should pull over and stop the vehicle as soon as it is safe to
do so.
However, in the event of an emergency, such as if it becomes impossible to stop
the vehicle in the normal way: →P. 940
● Use engine braking (downshift) to maintain a safe speed when driving down a
steep hill.
Using the brakes continuously may cause the brakes to overheat and lose effectiveness. (→P. 220, 227, 236)
● When stopped on an incline, use the brake pedal and parking brake to prevent
the vehicle from rolling backward or forward, causing an accident.
● Do not adjust the position of the steering wheel, the seat, or the inside or outside
rear view mirrors while driving.
Doing so may result in a loss of vehicle control that can cause accidents, resulting
in death or serious injury.
● Always check that all passengers' arms, heads or other parts of their body are not
outside the vehicle, as this may result in death or serious injury.
197
When driving
the hybrid system. Engine braking is not available with the hybrid system disengaged.
2
2-1. Driving procedures
CAUTION
● Do not drive in excess of the speed limit. Even if the legal speed limit permits it, do
not drive over 85 mph (140 km/h) unless your vehicle has high-speed capability
tires. Driving over 85 mph (140 km/h) may result in tire failure, loss of control and
possible injury. Be sure to consult a tire dealer to determine whether the tires on
your vehicle are high-speed capability tires or not before driving at such speeds.
■ When driving on slippery road surfaces
● Sudden braking, acceleration and steering may cause tire slippage and reduce
your ability to control the vehicle, resulting in an accident.
● Sudden acceleration, engine braking due to shift changing, or changes in engine
speed could cause the vehicle to skid, resulting in an accident.
● After driving through a puddle, lightly depress the brake pedal to make sure that
the brakes are functioning properly. Wet brake pads may prevent the brakes from
functioning properly. If the brakes on only one side are wet and not functioning
properly, steering control may be affected, resulting in an accident.
■ When shifting the shift lever
Be careful not to shift the shift lever with the accelerator pedal depressed.
This may lead to unexpected rapid acceleration of the vehicle that may cause an
accident and result in death or serious injury.
■ If you hear a squealing or scraping noise (brake pad wear limit indicators)
Have your Lexus dealer check and replace the brake pads as soon as possible.
Rotor damage can result if the pads are not replaced when needed.
It is dangerous to drive the vehicle when the wear limits of the brake pads and/or
those of the brake discs are exceeded.
198
2-1. Driving procedures
CAUTION
■ When the vehicle is stopped
● RX350: Do not race the engine.
If the vehicle is in any gear other than P or N, the vehicle may accelerate suddenly
and unexpectedly, causing an accident.
● RX450h: Do not depress the accelerator pedal unnecessarily.
If the vehicle is in any gear other than P or N, the vehicle may accelerate suddenly
and unexpectedly, causing an accident.
2
● RX350: Do not leave the vehicle with the engine running for a long time.
● RX450h: Do not leave the vehicle with the hybrid system on for a long time.
If such a situation cannot be avoided, park the vehicle in an open space and
check that exhaust fumes do not enter the vehicle interior.
● RX350: In order to prevent accidents due to the vehicle rolling away, always
keep depressing the brake pedal while the engine is running, and apply the parking brake as necessary.
● RX450h: In order to prevent accidents due to the vehicle rolling away, always
keep depressing the brake pedal while the “READY” indicator is on. Apply the
parking brake as necessary.
● If the vehicle is stopped on an incline, in order to prevent accidents caused by the
vehicle rolling forward or backward, always depress the brake pedal and securely
apply the parking brake as needed.
● Avoid revving or racing the engine.
Running the engine at high speed while the vehicle is stopped may cause the
exhaust system to overheat, which could result in a fire if combustible material is
nearby.
199
When driving
If such a situation cannot be avoided, park the vehicle in an open space and
check that exhaust fumes do not enter the vehicle interior.
2-1. Driving procedures
CAUTION
■ When the vehicle is parked
● Do not leave glasses, cigarette lighters, spray cans, or soft drink cans in the vehi-
cle when it is in the sun.
Doing so may result in the following:
• Gas may leak from a cigarette lighter or spray can, and may lead to a fire.
• The temperature inside the vehicle may cause the plastic lenses and plastic
material of glasses to deform or crack.
• Soft drink cans may fracture, causing the contents to spray over the interior of
the vehicle, and may also cause a short circuit in the vehicle's electrical components.
● Do not leave cigarette lighters in the vehicle. If a cigarette lighter is in a place such
as the glove box or on the floor, it may be lit accidentally when luggage is loaded
or the seat is adjusted, causing a fire.
● Do not attach adhesive discs to the windshield or windows. Do not place contain-
ers such as air fresheners on the instrument panel or dashboard. Adhesive discs
or containers may act as lenses, causing a fire in the vehicle.
● Do not leave a door or window open if the curved glass is coated with a metal-
lized film such as a silver-colored one. Reflected sunlight may cause the glass to
act as a lens, causing a fire.
● RX350: Always apply the parking brake, shift the shift lever to P, stop the engine
and lock the vehicle.
Do not leave the vehicle unattended while the engine is running.
● RX450h: Always apply the parking brake, shift the shift lever to P, stop the hybrid
system and lock the vehicle.
Do not leave the vehicle unattended while the hybrid system is operating.
● RX350: Do not touch the exhaust pipes while the engine is running or immedi-
ately after turning the engine off.
Doing so may cause burns.
● RX450h: Do not touch the exhaust pipes while the hybrid system is operating or
immediately after turning the hybrid system off.
Doing so may cause burns.
200
2-1. Driving procedures
CAUTION
● RX350: Do not leave the engine running in an area with snow build-up, or where
it is snowing. If snowbanks build up around the vehicle while the engine is running,
exhaust gases may collect and enter the vehicle. This may lead to death or a serious health hazard.
● RX450h: Do not leave the hybrid system operating in an area with snow build-
up, or where it is snowing. If snowbanks build up around the vehicle while the
hybrid system is operating, exhaust gases may collect and enter the vehicle. This
may lead to death or a serious health hazard.
Exhaust gases include harmful carbon monoxide (CO) that is colorless and odorless. Inhaling exhaust gases may lead to death or a serious health hazard.
● If the vehicle is in a poorly ventilated area, stop the engine (RX350) or hybrid
system (RX450h). In a closed area, such as a garage, exhaust gases may collect
and enter the vehicle. This may lead to death or a serious health hazard.
● The exhaust system should be checked occasionally. If there is a hole or crack
caused by corrosion, damage to a joint or abnormal exhaust noise, be sure to
have the vehicle inspected and repaired by your Lexus dealer. Failure to do so
may allow exhaust gases to enter the vehicle, resulting in death or a serious health
hazard.
■ When taking a nap in the vehicle
RX350
Always turn the engine off. Otherwise, if you accidentally move the shift lever or
depress the accelerator pedal, this could cause an accident or fire due to engine
overheating. Additionally, if the vehicle is parked in a poorly ventilated area, exhaust
gases may collect and enter the vehicle, leading to death or a serious health hazard.
RX450h
Always turn the hybrid system off. Otherwise, if you accidentally move the shift
lever or depress the accelerator pedal, this could cause an accident or fire due to
hybrid system overheating. Additionally, if the vehicle is parked in a poorly ventilated area, exhaust gases may collect and enter the vehicle, leading to death or a
serious health hazard.
201
When driving
■ Exhaust gases
2
2-1. Driving procedures
CAUTION
■ When braking the vehicle
● When the brakes are wet, drive more cautiously.
Braking distance increases when the brakes are wet, and this may cause one side
of the vehicle to brake differently than the other side. Also, the parking brake may
not securely hold the vehicle.
● If the power brake assist function does not operate, do not follow other vehicles
closely and avoid hills or sharp turns that require braking.
In this case, braking is still possible, but the brake pedal should be depressed
more firmly than usual. Also, the braking distance will increase.
● RX350: Do not pump the brake pedal if the engine stalls.
Each push on the brake pedal uses up the reserve for the power-assisted brakes.
● RX350: The brake system consists of 2 individual hydraulic systems; if one of the
systems fails, the other will still operate. In this case, the brake pedal should be
depressed more firmly than usual and the braking distance will increase.
If this happens, do not drive the vehicle. Have your brakes fixed immediately.
● RX450h: The brake system consists of 3 individual hydraulic systems; if one of
the systems fails, the others will still operate. In this case, the brake pedal should
be depressed more firmly than usual and the braking distance will increase. If this
happens, do not continue to drive the vehicle. If the brake system warning light
(red indicator) comes on together with the buzzer sound while driving, immediately stop the vehicle in a safe place and contact your Lexus dealer.
■ If the vehicle becomes stuck
Do not spin the wheels excessively when any of the tires is up in the air, or the vehicle is stuck in sand, mud, etc. This may damage the driveline components or propel
the vehicle forward or backward, causing an accident.
202
2-1. Driving procedures
NOTICE
■ When driving the vehicle
● Do not depress the accelerator and brake pedals at the same time during driving,
as this may restrain driving torque.
● Do not use the accelerator pedal or depress the accelerator and brake pedals at
the same time to hold the vehicle on a hill.
■ When parking the vehicle
Always shift the shift lever to P. Failure to do so may cause the vehicle to move or the
vehicle may accelerate suddenly if the accelerator pedal is accidentally depressed.
● Do not turn the steering wheel fully in either direction and hold it there for an
extended period of time.
Doing so may damage the power steering motor.
● When driving over bumps in the road, drive as slowly as possible to avoid damag-
ing the wheels, underside of the vehicle, etc.
■ If you get a flat tire while driving
A flat or damaged tire may cause the following situations. Hold the steering wheel
firmly and gradually depress the brake pedal to slow down the vehicle.
● It may be difficult to control your vehicle.
● The vehicle will make abnormal sounds.
● The vehicle will behave abnormally.
Information on what to do in case of a flat tire (→P. 897)
203
When driving
■ Avoiding damage to vehicle parts
2
2-1. Driving procedures
NOTICE
■ When encountering flooded roads
Do not drive on a road that has flooded after heavy rain etc. Doing so may cause the
following serious damage to the vehicle:
● Engine stalling
● Short in electrical components
● Engine damage caused by water immersion
In the event that you drive on a flooded road and the vehicle is flooded, be sure to
have your Lexus dealer check the following:
● Brake function
● RX350: Changes in quantity and quality of oil and fluid used for the engine, tran-
saxle, transfer (AWD models), differential, etc.
● RX450h: Changes in quantity and quality of oil and fluid used for the engine,
hybrid transmission, etc., and, for AWD models, the rear electric motor (traction
motor).
● Lubricant condition for the propeller shaft (RX350 AWD models), bearings and
suspension joints (where possible), and the function of all joints, bearings, etc.
204
2-1. Driving procedures
Engine (ignition) switch (RX350)
Performing the following operations when carrying the electronic key on
your person starts the engine or changes “ENGINE START STOP” switch
modes.
■ Starting the engine
STEP 1 Check that the parking brake is set.
STEP 2 Check that the shift lever is set in P.
STEP 3 Firmly depress the brake pedal.
The “ENGINE START STOP” switch indicator will turn green. If the
indicator does not turn green, the engine cannot be started.
Press the “ENGINE START
STOP” switch.
The engine will crank until it
starts or for up to 30 seconds,
whichever is less.
Continue depressing the brake
pedal until the engine is completely started.
The engine can be started from
any “ENGINE START STOP”
switch mode.
■ Stopping the engine
STEP 1 Stop the vehicle.
STEP 2 Shift the shift lever to P.
STEP 3 Set the parking brake. (→P. 245)
STEP 4 Press the “ENGINE START STOP” switch.
STEP 5 Release the brake pedal and check that the indicator on the
“ENGINE START STOP” switch is off.
205
When driving
STEP 4
2
2-1. Driving procedures
■ Changing “ENGINE START STOP” switch modes
Modes can be changed by pressing the “ENGINE START STOP”
switch with the brake pedal released. (The mode changes each time
the switch is pressed.)
Off*
The emergency flashers can be
used.
ACCESSORY mode
Some electrical components
such as the audio system can be
used.
The “ENGINE START STOP”
switch indicator turns amber.
IGNITION ON mode
All electrical components can
be used.
The “ENGINE START STOP”
switch indicator turns amber.
*: If the shift lever is in a position
other than P when turning off
the engine, the “ENGINE
START STOP” switch will be
turned to ACCESSORY mode,
not to off.
206
2-1. Driving procedures
When stopping the engine with the shift lever in a position other than P
If the engine is stopped with the shift lever in a position other than P, the
“ENGINE START STOP” switch will not be turned off but instead be
turned to ACCESSORY mode. Perform the following procedure to turn
the switch off:
STEP 1
STEP 2
STEP 3
■ Auto power off function
When the shift lever is in P, if the vehicle is left in ACCESSORY or IGNITION ON
mode with the engine not running for more than 20 minutes (ACCESSORY mode)
or one hour (IGNITION ON mode), the “ENGINE START STOP” switch will automatically turn off. However, this function cannot entirely prevent 12-volt battery discharge. Do not leave the vehicle with the “ENGINE START STOP” switch in
ACCESSORY or IGNITION ON mode for long periods of time when the engine
is not running.
■ Operation of the “ENGINE START STOP” switch
When operating the “ENGINE START STOP” switch, one short, firm press is
enough. If the switch is pressed improperly, the engine may not start or the
“ENGINE START STOP” switch mode may not change. It is not necessary to press
and hold the switch.
■ Electronic key battery depletion
→P. 72
■ Conditions affecting operation
→P. 69
■ Note for the entry function
→P. 70
207
2
When driving
STEP 4
Check that the parking brake is set.
Shift the shift lever to P.
Check that the indicator on the “ENGINE START STOP” switch
is illuminated in amber and then press the “ENGINE START
STOP” switch once.
Check that the indicator on the “ENGINE START STOP” switch
is off.
2-1. Driving procedures
■ If the engine does not start
The engine immobilizer system may not have been deactivated. (→P. 145)
Contact your Lexus dealer.
■ Steering lock
After turning the “ENGINE START STOP” switch off and opening and closing the
doors, the steering wheel will be locked due to the steering lock function. Operating the “ENGINE START STOP” switch again automatically cancels the steering
lock.
■ When the steering lock cannot be released
The green indicator light on the “ENGINE
START STOP” switch will flash and a message will be shown on the multi-information
display. Press the “ENGINE START STOP”
switch again while turning the steering wheel
left and right.
■ Steering lock motor overheating prevention
To prevent the steering lock motor from overheating, the motor may be suspended
if the engine is turned on and off repeatedly in a short period of time. In this case,
refrain from operating the engine. After about 2 seconds, the steering lock motor
will resume functioning.
■ When the “ENGINE START STOP” switch indicator flashes in amber
The system may be malfunctioning. Have the vehicle inspected by your Lexus
dealer immediately.
■ If the electronic key battery is depleted
→P. 792
208
2-1. Driving procedures
CAUTION
■ When starting the engine
Always start the engine while sitting in the driver’s seat. Do not depress the accelerator pedal while starting the engine under any circumstances.
Doing so may cause an accident resulting in death or serious injury.
■ Caution while driving
■ Stopping the engine in an emergency
If you want to stop the engine in an emergency while driving the vehicle, press and
hold the “ENGINE START STOP” switch for more than 2 seconds, or press it
briefly 3 times or more in succession. (→P. 940)
However, do not touch the “ENGINE START STOP” switch while driving except in
an emergency. Turning the engine off while driving will not cause loss of steering or
braking control, but the power assist to these systems will be lost. This will make it
more difficult to steer and brake, so you should pull over and stop the vehicle as
soon as it is safe to do so.
209
2
When driving
If the vehicle begins to slide due to engine failure or other circumstances, do not
lock or open the doors until the vehicle reaches a safe and complete stop. Activation of the steering lock in this circumstance may lead to an accident, resulting in
death or serious injury.
2-1. Driving procedures
NOTICE
■ To prevent 12-volt battery discharge
● Do not leave the “ENGINE START STOP” switch in ACCESSORY or IGNI-
TION ON mode for long periods of time without the engine running.
● If the indicator on the “ENGINE START STOP” switch is illuminated, the
“ENGINE START STOP” switch is not off. When exiting the vehicle, always
check that the “ENGINE START STOP” switch is off.
● Do not stop the engine when the shift lever is in a position other than P. If the
engine is stopped in another shift lever position, the “ENGINE START STOP”
switch will not be turned off but instead be turned to ACCESSORY mode. If the
vehicle is left in ACCESSORY mode, 12-volt battery discharge may occur.
■ When starting the engine
● Do not race a cold engine.
● If the engine becomes difficult to start or stalls frequently, have your vehicle
checked by your Lexus dealer immediately.
■ Symptoms indicating a malfunction with the “ENGINE START STOP” switch
If the “ENGINE START STOP” seems to be operating somewhat differently than
usual, such as the switch sticking slightly, there may be a malfunction. Contact your
Lexus dealer immediately.
210
2-1. Driving procedures
Power (ignition) switch (RX450h)
Performing the following operations when carrying the electronic key on
your person starts the hybrid system or changes “POWER” switch modes.
■ Starting the hybrid system
STEP 1 Check that the parking brake is set.
STEP 2 Check that the shift lever is set in P.
STEP 3 Firmly depress the brake pedal.
The “POWER” switch indicator will turn green. If the indicator does
not turn green, the hybrid system cannot be started.
Press the “POWER” switch.
When driving
STEP 4
2
After a while, the “READY” indicator comes on with a beep
sound.
The vehicle can move when the
“READY” indicator is on even if
the engine is stopped.
Continue depressing the brake
pedal until the hybrid system is
completely started.
The hybrid system can be
started from any “POWER”
switch mode.
STEP 5
Check that the “READY” indicator is on.
The vehicle will not move when the “READY” indicator is off.
211
2-1. Driving procedures
■ Stopping the hybrid system
STEP 1 Stop the vehicle.
STEP 2 Shift the shift lever to P.
STEP 3 Set the parking brake. (→P. 245)
STEP 4 Press the “POWER” switch.
STEP 5 Release the brake pedal and check that the indicator on the
“POWER” switch is off.
■ Changing “POWER” switch modes
Modes can be changed by pressing the “POWER” switch with the
brake pedal released. (The mode changes each time the switch is
pressed.)
Off*
The emergency flashers can be
used.
ACCESSORY mode
Some electrical components
such as the audio system can be
used.
The “POWER” switch indicator
turns amber.
ON mode
All electrical components can
be used.
The “POWER” switch indicator
turns amber.
*: If the shift lever is in a position
other than P when turning off
the hybrid system, the
“POWER” switch will be turned
to ACCESSORY mode, not to
off.
212
2-1. Driving procedures
When stopping the hybrid system with the shift lever in a position other than P
If the hybrid system is stopped with the shift lever in a position other than
P, the “POWER” switch will not be turned off but instead be turned to
ACCESSORY mode. Perform the following procedure to turn the switch
off:
STEP 1
STEP 2
STEP 3
■ Auto power off function
When the shift lever is in P, if the vehicle is left in ACCESSORY or ON mode with
the hybrid system not operating for more than 20 minutes (ACCESSORY mode)
or one hour (ON mode), the “POWER” switch will automatically turn off. However,
this function cannot entirely prevent 12-volt battery discharge. Do not leave the
vehicle with the “POWER” switch in ACCESSORY or ON mode for long periods
of time when the hybrid system is not operating.
■ Operation of the “POWER” switch
When operating the “POWER” switch, one short, firm press is enough. If the switch
is pressed improperly, the hybrid system may not start or the “POWER” switch
mode may not change. It is not necessary to press and hold the switch.
■ Sounds and vibrations specific to a hybrid vehicle
→P. 37
■ Electronic key battery depletion
→P. 72
■ When the ambient temperature is low, such as during winter driving conditions
It may take time until the “READY” indicator comes on.
■ Conditions affecting operation
→P. 69
213
2
When driving
STEP 4
Check that the parking brake is set.
Shift the shift lever to P.
Check that the indicator on the “POWER” switch is illuminated in
amber and then press the “POWER” switch once.
Check that the indicator on the “POWER” switch is off.
2-1. Driving procedures
■ Note for the entry function
→P. 70
■ If the hybrid system does not start
The immobilizer system may not have been deactivated. (→P. 147)
Contact your Lexus dealer.
■ Steering lock
After turning the “POWER” switch off and opening and closing the doors, the
steering wheel will be locked due to the steering lock function. Operating the
“POWER” switch again automatically cancels the steering lock.
■ When the steering lock cannot be released
The green indicator light on the “POWER”
switch will flash and a message will be shown
on the multi-information display. Press the
“POWER” switch again while turning the
steering wheel left and right.
■ Steering lock motor overheating prevention
To prevent the steering lock motor from overheating, the motor may be suspended
if the hybrid system is turned on and off repeatedly in a short period of time. In this
case, refrain from operating the hybrid system. After about 2 seconds, the steering
lock motor will resume functioning.
■ When the “POWER” switch indicator flashes in amber
The system may be malfunctioning. Have the vehicle inspected by your Lexus
dealer immediately.
■ If the “READY” indicator does not come on
If the “READY” indicator does not come on when you press the “POWER” switch
with the shift lever in P and the brake pedal depressed, contact your Lexus dealer
immediately.
214
2-1. Driving procedures
■ If the hybrid system is malfunctioning
→P. 871
■ If the electronic key battery is depleted
→P. 792
CAUTION
■ When starting the hybrid system
2
■ Caution while driving
If a hybrid system failure occurs while the vehicle is moving, do not lock or open the
doors until the vehicle reaches a safe and complete stop. Activation of the steering
lock in this circumstance may lead to an accident, resulting in death or serious
injury.
■ Stopping the hybrid system in an emergency
If you want to stop the hybrid system in an emergency while driving the vehicle,
press and hold the “POWER” switch for more than 2 seconds, or press it briefly 3
times or more in succession. (→P. 940)
However, do not touch the “POWER” switch while driving except in an emergency.
Turning the hybrid system off while driving will not cause loss of steering or braking
control, but the power assist to these systems will be lost. This will make it more difficult to steer and brake, so you should pull over and stop the vehicle as soon as it is
safe to do so.
215
When driving
Always start the hybrid system while sitting in the driver’s seat. Do not depress the
accelerator pedal while starting the hybrid system under any circumstances.
Doing so may cause an accident resulting in death or serious injury.
2-1. Driving procedures
NOTICE
■ To prevent 12-volt battery discharge
● Do not leave the “POWER” switch in ACCESSORY or ON mode for long peri-
ods of time without the hybrid system on.
● If the indicator on the “POWER” switch is illuminated, the “POWER” switch is not
off. When exiting the vehicle, always check that the “POWER” switch is off.
● Do not stop the hybrid system when the shift lever is in a position other than P. If
the hybrid system is stopped in another shift lever position, the “POWER” switch
will not be turned off but instead be turned to ACCESSORY mode. If the vehicle
is left in ACCESSORY mode, 12-volt battery discharge may occur.
■ When starting the hybrid system
● Do not depress the accelerator pedal unnecessarily.
● If the hybrid system becomes difficult to start, have your vehicle checked by your
Lexus dealer immediately.
■ Symptoms indicating a malfunction with the “POWER” switch
If the “POWER” switch seems to be operating somewhat differently than usual,
such as the switch sticking slightly, there may be a malfunction. Contact your Lexus
dealer immediately.
216
2-1. Driving procedures
EV drive mode (RX450h)
In EV drive mode, the electric motor (traction motor), powered by the
hybrid battery (traction battery), is used to drive the vehicle.
This mode allows you to drive in residential areas early in the morning and
late at night, or in indoor parking lots etc. without concern for noises and
exhaust gas emissions.
However, when the Vehicle Proximity Notification System is active, the
vehicle may produce sound.
2
Turns EV drive mode on/off
When driving
When EV drive mode is turned
on, the EV drive mode indicator
will come on. Pressing the
switch when in EV drive mode
will return the vehicle to normal
driving (using the gasoline
engine and electric motor [traction motor]).
■ Switching to EV drive mode when the gasoline engine is cold
If the hybrid system is started while the gasoline engine is cold, the gasoline engine
will start automatically after a short period of time in order to warm up. In this case,
you will become unable to switch to EV drive mode.
After the hybrid system has started and the “READY” indicator has illuminated,
press the EV drive mode switch before the gasoline engine starts to switch to EV
drive mode.
217
2-1. Driving procedures
■ Situations in which EV drive mode cannot be turned on
It may not be possible to turn EV drive mode on in the following situations. If it cannot be turned on, a buzzer will sound and a message will be shown on the multiinformation display.
● The temperature of the hybrid system is high.
The vehicle has been left in the sun, driven on a hill, driven at high speeds, etc.
● The temperature of the hybrid system is low.
The vehicle has been left in extremely low temperatures for a long period of
time etc.
● The gasoline engine is warming up.
● The hybrid battery (traction battery) is low.
● Vehicle speed is about 25 mph (40 km/h) or more.
● The accelerator pedal is depressed firmly or the vehicle is on a hill etc.
● The windshield defogger is in use.
■ Automatic cancelation of EV drive mode
When driving in EV drive mode, the gasoline engine may automatically restart in
the following situations. When EV drive mode is canceled, a buzzer will sound and
the EV drive mode indicator will flash and go off.
● The hybrid battery (traction battery) becomes low.
● Vehicle speed becomes more than about 25 mph (40 km/h).
If engine coolant temperature is low, EV drive mode may be canceled when
vehicle speed is below 25 mph (40 km/h).
● The accelerator pedal is depressed firmly or the vehicle is on a hill etc.
When it is possible to inform the driver of automatic cancelation in advance, a prior
notice screen will appear on the multi-information display.
218
2-1. Driving procedures
■ Possible driving distance when driving in EV drive mode
In EV drive mode, it is possible to drive up about 1/2 mile (1 km) if driving at a speed
of about 25 mph (40 km/h) or less.
(The distance that is possible depends on the hybrid battery [traction battery] level
and driving conditions.)
■ Fuel economy
RX450h is designed to achieve the best possible fuel economy during normal driving (using the gasoline engine and electric motor [traction motor]). Driving in EV
drive mode more than necessary may lower fuel economy.
■ Caution while driving
When driving in EV drive mode no engine noise is made. As such, pedestrians,
people riding bicycles or other people and vehicles in the surrounding area may not
be aware of the vehicle starting off or approaching them. Therefore, take extra care
while driving even if the Vehicle Proximity Notification System is active.
219
When driving
CAUTION
2
2-1. Driving procedures
Automatic transmission (RX350 6-speed models)
Select a shift position appropriate for the driving conditions.
■ Shifting the shift lever
While the “ENGINE START STOP” switch is in IGNITION
ON mode, depress the brake pedal and move the shift lever.
When shifting the shift lever between P and D, make sure that the
vehicle is completely stopped.
220
2-1. Driving procedures
■ Shift position purpose
Shift position
Function
P
Parking the vehicle/starting the engine
R
Reversing
N
Neutral
D
Normal driving*1
S
S mode driving*2 (→P. 223)
2
When driving
*1: Shifting to the D position allows the system to select a gear suitable for the
driving conditions. Setting the shift lever to the D position is recommended
for normal driving.
*2: Selecting shift ranges using S mode restricts the upper limit of the possible
gear ranges, controls engine braking forces, and prevents unnecessary
upshifting.
221
2-1. Driving procedures
■ Selecting snow mode
Use snow mode for accelerating and driving on slippery road surfaces such as snow.
STEP 1
Press the menu switch.
The multi-information display
will change modes to electronic
features control mode.
Press the “∧” or “∨” switch
until “ECT SNOW” appears.
STEP 2
Press the “ENTER” switch to
change to “ON”.
The “ECT SNOW” indicator will
be displayed.
Each pressing of the switch
turns snow mode on and off.
Press the menu switch to
change to the normal display.
222
2-1. Driving procedures
Changing shift ranges in S mode
To enter S mode, shift the shift lever to the S position. The shift range can
then be selected by operating the “-” and “+” paddle shift switches (if
equipped) or the shift lever. Changing the shift range allows restriction of
the upper limit of the gears to be used, preventing unnecessary upshifting
and enabling the level of engine braking force to be selected.
Upshifting
Downshifting
2
When driving
The initial shift range in S mode is set automatically to “5” or “4” according to vehicle speed. However, the initial shift range may be set to “3” if
AI-SHIFT has operated while the shift lever was in the D position.
(→P. 225)
■ Shift ranges and their functions
● Automatically selecting gears between 1 and 6 according to vehicle
speed and driving conditions. But the gear is limited according to
selected shift range.
● You can choose from 6 levels of engine braking force.
● A lower shift range will provide greater engine braking force than a
higher shift range, and the engine speed will also increase.
223
2-1. Driving procedures
Selecting shift ranges in the D position (vehicles with paddle shift switches)
To drive using temporary shift range selection, operate the “-” paddle shift
switch. The shift range can then be selected by operating the “-” and “+”
paddle shift switches. Changing the shift range allows restriction of the
upper limit of the gears to be used, preventing unnecessary upshifting
and enabling the level of engine braking force to be selected.
Upshifting
Downshifting
To return to normal D position
driving, the “+” paddle shift switch
must be held down for a period of
time.
■ Shift ranges and their functions
→P. 223
224
2-1. Driving procedures
■ When the “-” paddle shift switch is operated in the D position (vehicles with pad-
dle shift switches)
When the “-” paddle shift switch is operated in the D position, a shift range will be
automatically selected. The highest gear of the first shift range will be one gear
lower than the gear in use during normal D position driving.
■ Automatic deactivation of shift range selection in the D position (vehicles with
paddle shift switches)
Shift range selection in the D position will be deactivated in the following situations:
2
● When the vehicle comes to a stop
● If the accelerator pedal is depressed for more than a certain period of time
■ Snow mode automatic deactivation
Snow mode is automatically deactivated if the “ENGINE START STOP” switch is
turned off after driving in snow mode.
■ S mode
● When the shift range is “5” or lower, holding the shift lever toward “+” sets the
shift range to “6”.
● To prevent the engine from over-revving, upshifting may automatically occur.
● To protect the automatic transmission, a function is adopted that automatically
selects a higher shift range when the fluid temperature is high.
■ AI-SHIFT
AI-SHIFT automatically selects the suitable gear according to driver performance
and driving conditions.
The AI-SHIFT automatically operates when the shift lever is in the D position. (Shifting the shift lever to the S position cancels the function.)
The engine speed may remain high after releasing the accelerator pedal. This does
not indicate a malfunction.
■ Driving on a downhill
On declines, there may be case where the vehicle shifts down automatically to
obtain engine braking. As a result of the downshifting, the engine speed may
increase.
225
When driving
● When range 6 is selected and the accelerator pedal is depressed
2-1. Driving procedures
■ When driving with cruise control or radar cruise control activated
Even when performing the following actions with the intent of enabling engine
braking, engine braking will not activate while driving in S mode and downshifting
to 5 or 4 because cruise control or radar cruise control will not be canceled.
(→P. 291, 296)
■ If the shift lever cannot be shifted from P
→P. 916
■ If S does not come on or D comes on even after shifting the shift lever to S
This may indicate a malfunction in the automatic transmission system. Have the
vehicle inspected by your Lexus dealer immediately.
(In this situation, the transmission will operate in the same as manner as when the
shift lever is in D.)
■ Downshift restriction warning buzzer (S mode)
To help ensure safety and driving performance, downshifting operation may sometimes be restricted. In some circumstances, downshifting may not be possible even
when the shift lever or paddle shift switch is operated. (The warning buzzer will
sound twice.)
226
2-1. Driving procedures
Automatic transmission (RX350 8-speed models)
Select a shift position appropriate for the driving conditions.
■ Shifting the shift lever
2
When driving
While the “ENGINE START STOP” switch is in IGNITION
ON mode, depress the brake pedal and move the shift lever.
When shifting the shift lever between P and D, make sure that the
vehicle is completely stopped.
■ Shift position purpose
Shift position
Function
P
Parking the vehicle/starting the engine
R
Reversing
N
Neutral
D
Normal driving*
M
M mode driving (→P. 232)
*: To improve fuel efficiency and reduce noises, set the shift lever in the D
position for normal driving.
227
2-1. Driving procedures
■ Shift position uses
Shift position
Display
(paddle shift
switches activated)
Function
Purpose
Normal D
position driving
Gears
between 1 and
8 are automatically
selected
according to
driving conditions
Shift range
selection
(→P. 230)
Allows optimum use of
engine braking
Allows the
Individual gear
driver to select
selection
gears for
(→P. 232)
sporty driving
228
2-1. Driving procedures
■ Selecting snow mode
Use snow mode for accelerating and driving on slippery road surfaces such as snow.
STEP 1
Press the menu switch.
The multi-information display
will change modes to electronic
features control mode.
STEP 2
Press the “ENTER” switch to
change to “ON”.
The “ECT SNOW” indicator will
be displayed.
Each pressing of the switch
turns snow mode on and off.
Press the menu switch to
change to the normal display.
229
When driving
Press the “∧” or “∨” switch
until “ECT SNOW” appears.
2
2-1. Driving procedures
Selecting shift ranges in the D position
To drive using temporary shift range selection, operate the “-” paddle shift
switch. The shift range can then be selected by operating the “-” and “+”
paddle shift switches. Changing the shift range allows restriction of the
highest gear, preventing unnecessary upshifting and enabling the level of
engine braking force to be selected.
Higher shift range
Lower shift range
The selected shift range, from 1 to
8, will be displayed in the meter
cluster.
To return to normal D position
driving, the “+” paddle shift switch
must be held down for a period of
time.
230
2-1. Driving procedures
■ Shift ranges and their functions
Meter cluster display*
Function
Gears between 1 and 8 are automatically selected
according to vehicle speed and driving conditions
7
Gears between 1 and 7 are automatically selected
according to vehicle speed and driving conditions
6
Gears between 1 and 6 are automatically selected
according to vehicle speed and driving conditions
5
Gears between 1 and 5 are automatically selected
according to vehicle speed and driving conditions
4
Gears between 1 and 4 are automatically selected
according to vehicle speed and driving conditions
3
Gears between 1 and 3 are automatically selected
according to vehicle speed and driving conditions
2
Gears between 1 and 2 are automatically selected
according to vehicle speed and driving conditions
1
The gear is set at 1
2
When driving
8
*: “D” is also displayed to indicate the shift position.
A lower shift range will provide greater engine braking force than a higher shift
range.
231
2-1. Driving procedures
Selecting gears in the M position
To enter M mode, shift the shift lever to the M position. Gears can then be
selected by operating the shift lever or paddle shift switches, allowing you
to drive in the gear of your choosing.
Upshifting
Downshifting
The gear changes once every time
the shift lever or paddle shift switch
is operated.
When in the M position, the gear will not change unless the shift lever or
paddle shift switches are operated.
However, even when in the M position, the gears will be automatically
changed in the following situations:
● When vehicle speed drops (downshift only).
● When the automatic transmission fluid or engine coolant temperature
is low.
● When engine speed is higher than necessary. (upshift only)
232
2-1. Driving procedures
■ Gear functions
Meter cluster
display*
Function
The gear is fixed at 8th gear
7
The gear is fixed at 7th gear
6
The gear is fixed at 6th gear
5
The gear is fixed at 5th gear
4
The gear is fixed at 4th gear
3
The gear is fixed at 3rd gear
2
The gear is fixed at 2nd gear
1
The gear is fixed at 1st gear
2
When driving
8
*: “M” is also displayed to indicate the shift position.
■ When the “-” paddle shift switch is operated in the D position
● When the “-” paddle shift switch is operated in the D position, a shift range will
be automatically selected. The highest gear of the first shift range will be one
gear lower than the gear in use during normal D position driving.
● If the “-” paddle shift switch is operated when a shift range is selected while in
the D position, the shift range may be lowered by two ranges or more in accordance with the driving conditions.
■ Automatic deactivation of shift range selection in the D position
Shift range selection in the D position will be deactivated in the following situations:
● When the vehicle comes to a stop
● If the accelerator pedal is depressed for more than a certain period of time in
one shift range
233
2-1. Driving procedures
■ Downshift restrictions warning buzzer
To help ensure safety and driving performance, downshifting operation may sometimes be restricted. In some circumstances, downshifting may not be possible even
when the shift lever or paddle shift switch is operated. (A buzzer will sound twice.)
■ When driving with cruise control activated
Even when performing the following actions with the intent of enabling engine
braking, engine braking will not activate while driving in M mode and downshifting
to 7, 6, 5 or 4 because cruise control will not be canceled. (→P. 291)
■ Automatic deactivation of snow mode
If the “ENGINE START STOP” switch is turned off after driving in snow mode, the
mode is automatically deactivated.
■ If the shift lever cannot be shifted from P
→P. 916
■ Automatic gear selection when the vehicle is stopped
When the vehicle comes to a stop, the transmission will automatically downshift to
allow you to start off in 1st gear.
■ If the automatic transmission fluid temperature warning message is displayed
If the automatic transmission fluid temperature warning message is displayed while
driving, make sure you return to normal D
position driving and reduce speed by easing off the accelerator pedal. Stop the vehicle in a safe place, shift the shift lever to the
P position and let the engine idle until the
warning message goes out.
When the warning message goes out, the
vehicle can be driven again.
If the warning message does not go out
after waiting a while, have your vehicle
inspected by your Lexus dealer.
234
2-1. Driving procedures
■ AI-SHIFT
The AI-SHIFT automatically selects the suitable gear according to driver performance and driving conditions.
The AI-SHIFT automatically operates when the shift lever is in the D position. However, operating the “-” paddle shift switch will restrict the function’s operation. (Shifting the shift lever to the M position cancels the function.)
The engine speed may remain high after releasing the accelerator pedal. This does
not indicate a malfunction.
2
CAUTION
Be careful of downshifting and sudden acceleration, as this could result in the vehicle skidding to the side or spinning.
235
When driving
■ When driving on slippery road surfaces
2-1. Driving procedures
Hybrid transmission (RX450h)
Select a shift position appropriate for the driving conditions.
■ Shifting the shift lever
While the “POWER” switch is in ON mode, depress the brake
pedal and move the shift lever.
When shifting the shift lever between P and D, make sure that the
vehicle is completely stopped.
■ Shift position purpose
Shift position
Function
P
Parking the vehicle/starting the hybrid system
R
Reversing
N
Neutral
D
Normal driving*1
S
S mode driving*2 (→P. 240)
*1: Shifting to the D position allows the system to select a gear suitable for the
driving conditions. Setting the shift lever to the D position is recommended
for normal driving.
*2: Selecting shift ranges using S mode controls engine braking forces.
236
2-1. Driving procedures
■ Selecting Eco drive mode
When the vehicle is driven in Eco drive mode, vehicle driving force
and operation of the air conditioning system (heating/cooling) is
controlled to improve fuel efficiency.
STEP 1
Press the menu switch.
The multi-information display
will change modes to electronic
features control mode.
STEP 2
Press the “ENTER” switch to
change to “ON”.
The “ECO MODE” indicator
will be displayed.
Each pressing of the switch
turns Eco drive mode on and off.
Press the menu switch to
change to the normal display.
237
When driving
Press the “∧” or “∨” switch
until “ECO MODE” appears.
2
2-1. Driving procedures
■ Selecting snow mode
Use snow mode for accelerating and driving on slippery road surfaces such as snow.
STEP 1
Press the menu switch.
The multi-information display
will change modes to electronic
features control mode.
Press the “∧” or “∨” switch
until “HYBRID SNOW”
appears.
STEP 2
Press the “ENTER” switch to
change to “ON”.
The “Hybrid SNOW” indicator
will be displayed.
Each pressing of the switch
turns snow mode on and off.
Press the menu switch to
change to the normal display.
238
2-1. Driving procedures
■ Selecting sport mode
Use when high levels of response and feeling are desirable, such as
when driving in mountainous regions or when overtaking.
STEP 1
Press the menu switch.
The multi-information display
will change modes to electronic
features control mode.
STEP 2
Press the “ENTER” switch to
change to “ON”.
The “SPORT MODE” indicator
will be displayed.
Each pressing of the switch
turns sport mode on and off.
Press the menu switch to
change to the normal display.
239
2
When driving
Press the “∧” or “∨” switch
until “SPORT MODE”
appears.
2-1. Driving procedures
Changing shift ranges in S mode
When the shift lever is in the S position, the shift lever can be operated as
follows:
Upshifting
Downshifting
The initial shift range in S mode is set automatically to “5” or “4” according to vehicle speed.
■ Shift ranges and their functions
● You can choose from 6 levels of engine braking force.
● A lower shift range will provide greater engine braking force than a
higher shift range, and the engine speed will also increase.
240
2-1. Driving procedures
■ Operation of the air conditioning system in Eco drive mode
Eco drive mode controls the heating/cooling operations and fan speed of the air
conditioning system to enhance fuel efficiency. (→P. 412, 421) To improve air conditioning performance, adjust the fan speed or turn off Eco drive mode.
■ Automatic return to normal driving mode
If snow mode or sport mode is selected, the driving mode will automatically return
to normal mode when the hybrid system is turned off.
2
■ S mode
● When the shift range is “5” or lower, holding the shift lever toward “+” sets the
● To prevent the engine from over-revving, upshifting may automatically occur.
■ AI-SHIFT
AI-SHIFT automatically selects the suitable gear according to driver performance
and driving conditions.
AI-SHIFT automatically operates when the shift lever is in the D position. (Shifting
the shift lever to the S position cancels the function.)
The engine speed may remain high after releasing the accelerator pedal. This does
not indicate a malfunction.
■ When driving with cruise control or radar cruise control activated
Even when performing the following actions with the intent of enabling engine
braking, engine braking will not activate because cruise control or radar cruise
control will not be canceled.
● While driving in D or S mode, downshifting to 5 or 4. (→P. 291, 296)
● When switching the driving mode to sport mode while driving in D position.
(→P. 239)
■ If the shift lever cannot be shifted from P
→P. 916
■ If S does not come on even after shifting the shift lever to S
This may indicate a malfunction in the hybrid transmission system. Have the vehicle
inspected by your Lexus dealer immediately.
(In this situation, the hybrid transmission will operate in the same as manner as when
the shift lever is in D.)
241
When driving
shift range to “6”.
2-1. Driving procedures
■ Downshift restriction warning buzzer (S mode)
To help ensure safety and driving performance, downshifting operation may sometimes be restricted. In some circumstances, downshifting may not be possible even
when the shift lever is operated. (The buzzer will sound twice.)
CAUTION
■ When driving on slippery road surfaces
Do not accelerate or shift gears suddenly.
Sudden changes in engine braking may cause the vehicle to spin or skid, resulting in
an accident.
NOTICE
■ Hybrid battery (traction battery) charge precaution
If the shift lever is in N, the hybrid battery (traction battery) will not be charged even
when the engine is running. Therefore, if the vehicle is left with the shift lever in N for
a long period of time, the hybrid battery (traction battery) will discharge, and this
may result in the vehicle not being able to start.
242
2-1. Driving procedures
Turn signal lever
The turn signal lever can be used to show the following intention of the
driver:
Type A
Right turn
Left turn
Lane change to the right
(push and hold the lever partway)
Lane change to the left (push
and hold the lever partway)
The left hand signals will flash
until you release the lever.
243
When driving
The right hand signals will flash
until you release the lever.
2
2-1. Driving procedures
Type B
Right turn
Left turn
Lane change to the right
(push and hold the lever partway)
The right hand signals will flash
until you release the lever.
Lane change to the left (push
and hold the lever partway)
The left hand signals will flash
until you release the lever.
■ Turn signals can be operated when
RX350
The “ENGINE START STOP” switch is in IGNITION ON mode.
RX450h
The “POWER” switch is in ON mode.
■ If the indicators flash faster than usual
Check that a light bulb in the front or rear turn signal lights has not burned out.
244
2-1. Driving procedures
Parking brake
U.S.A.
Canada
To set the parking brake, fully
depress the parking brake pedal
with your left foot while
depressing the brake pedal with
your right foot.
(Depressing the pedal again
releases the parking brake.)
2
When driving
■ Usage in winter time
→P. 369
NOTICE
■ Before driving
Fully release the parking brake.
Driving the vehicle with the parking brake set will lead to brake components overheating, which may affect braking performance and increase brake wear.
245
2-1. Driving procedures
Horn
To sound the horn, press on or
close to the
mark.
246