2022 LEXUS RX350 stop start

4227-2. Steps to take in an emergency
■Key linked functions
1 Closes the windows and the moon
roof
* or panoramic moon roof* (turn
and hold)
2 Opens the windows and the moon
roof
* or panoramic moon roof* (turn
and hold)
These settings must be customized at your
Lexus dealer.
*:If equipped
1 Ensure that the shift lever is in P and
depress the brake pedal.
2 Touch the Lexus emblem side of the
electronic key to the engine switch.
When the electronic key is detected, a
buzzer sounds and the engine switch will
turn to IGNITION ON mode. When the smart access system with
push-button start is deactivated in
customization setting,
the engine switch
will turn to ACCESSORY mode.
3 Firmly depress the brake pedal and
check that is shown on the
multi-information display.
4 Press the engine switch shortly and
firmly.
In the event that the engine still cannot
be started, contact your Lexus dealer.
■Stopping the engine
Shift the shift lever to P, set the parking
brake, and press the engine switch as you
normally do when st opping the engine.
■Replacing the key battery
As the above procedure is a temporary
measure, it is recommended that the elec-
tronic key battery be replaced immediately
when the battery is depleted. ( P.369)
■Alarm (For Canada)
Using the mechanical key to lock the doors
will not set the alarm system.
If a door is unlocked using the mechanical
key when the alarm system is set, the alarm
may be triggered. ( P.67)
■Changing engine switch modes
Release the brake pe dal and press the
engine switch in step 3 above. The engine
does not start and modes will be changed
each time the switch is pressed. ( P.173)
WARNING
■When using the mechanical key and
operating the power windows or the
moon roof or panoramic moon roof
Operate the power window or the moon
roof or panoramic moon roof after
checking to make sure that there is no
possibility of any passe nger having any of
their body parts caught in the window or
the moon roof or panoramic moon roof.
Also, do not allow ch ildren to operate the
mechanical key. It is possible for children
and other passengers to get caught in
the power window or the moon roof or
panoramic moon roof.
Starting the engine

4277-2. Steps to take in an emergency
7
When trouble arises
coolant is unavailable.
6Start the engine and turn the air
conditioning system on to check
that the radiator cooling fans oper-
ate and to check for coolant leaks
from the radiator or hoses.
The fans operate when the air conditioning
system is turned on immediately after a
cold start. Confirm that the fans are oper-
ating by checking the fan sound and air
flow. If it is difficult to check these, turn the
air conditioning system on and off repeat-
edly.
(The fans may not operate in freezing tem-
peratures.)
7 If the fans are not operating:
Stop the engine immediately and
contact your Lexus dealer.
If the fans are operating:
Have the vehicle inspected at the
nearest Lexus dealer.
8 Check if “Engine Coolant Temp
High Stop in a Safe Place See
Owner's Manual” is shown on the
multi-information display.
If the message does not disappear:
Stop the engine and contact your Lexus
dealer.
If the message is not displayed:
Have the vehicle inspected at the nearest Lexus dealer.
WARNING
■When inspecting under the hood of
your vehicle
Observe the following precautions.
Failure to do so may result in serious
injury such as burns.
●If steam is seen coming from under the
hood, do not open the hood until the
steam has subsided. The engine com-
partment may be very hot.
●Keep hands and clothing (especially a
tie, a scarf or a muff ler) away from the
fans and belts.
Failure to do so may cause the hands
or clothing to be caught, resulting in
serious injury.
●Do not loosen the radiator cap and the
coolant reservoir cap while the engine
and radiator are hot.
High temperature steam or coolant
could spray out.
NOTICE
■When adding engine coolant
Add coolant slowly after the engine has
cooled down sufficiently. Adding cool
coolant to a hot engine too quickly can
cause damage to the engine.
■To prevent damage to the cooling sys-
tem
Observe the following precautions:
●Avoid contaminating the coolant with
foreign matter (such as sand or dust,
etc.).
●Do not use any coolant additive.

4287-2. Steps to take in an emergency
1Stop the engine. Shift the shift lever
to P and set the parking brake.
2 Remove the mud, snow or sand
from around the front wheels.
3 Place wood, stones or some other
material under the front wheels to
help provide traction.
4 Restart the engine.
5 AWD models: Activate all-wheel
drive lock mode. ( P.264)
6 Shift the shift lever to D or R and
release the parking brake. Then,
while exercising caution, depress
the accelerator pedal.
■When it is difficult to free the vehicle
Press to turn off TRAC.
If the vehicle becomes stuck
Carry out the following proce-
dures if the tires spin or the vehicle
becomes stuck in mud, dirt or snow:
Recovering procedure
WARNING
■When attempting to free a stuck vehi-
cle
If you choose to push the vehicle back
and forth to free it, make sure the sur-
rounding area is clear to avoid striking
other vehicles, obje cts or people. The
vehicle may also lunge forward or lunge
back suddenly as it becomes free. Use
extreme caution.
■When shifting the shift lever
Be careful not to shift the shift lever with
the accelerator pedal depressed.
This may lead to un expected rapid accel-
eration of the vehicle that may cause an
accident resulting in death or serious
injury.
NOTICE
■To avoid damage to the transmission
and other components
●Avoid spinning the front wheels and
depressing the accelerator pedal
more than necessary.
●If the vehicle remains stuck even after
these procedures are performed, the
vehicle may require towing to be freed.

479What to do if... (Troubleshooting)
Is the engine switch in IGNITION
ON mode?
If you cannot release the shift lever by
depressing the brake pedal with the engine
switch in IGNITION ON mode ( P.175)
It is locked automatically to prevent
theft of the vehicle. ( P.171)
 Is the window lock switch pressed?
The power window except for the one at
the driver’s seat cannot be operated if the
window lock switch is pressed. ( P.142)
 The auto power off function will be
operated if the vehicle is left in
ACCESSORY or IGNITION ON
mode (the engine is not running) for
a period of time. ( P.173)
 The seat belt reminder light is flash-
ing
Are the driver and the passengers wearing
the seat belts? ( P.396)
The parking brake indicator is on
Is the parking brake released? ( P.179)
Depending on the situation, other
types of warning buzzer may also
sound. (P.393, 402)
 Did anyone inside the vehicle open
a door during setting the alarm?
The sensor detects it and the alarm sounds.
(P.67)
Do one of the following to stop the
alarms:
 Unlock the doors.
 Turn the engine switch to ACCES-
SORY or IGNITION ON mode, or
start the engine.
 Is the message displayed on the
multi-information display?
Check the message on the multi-informa-
tion display. ( P.402)
When a warning light turns on or a
warning message is displayed, refer
to P.393, 402.
The steering wheel cannot be
turned after the engine is
stopped
The windows do not open or
close by operating the power
window switches
The engine switch is turned off
automatically
A warning buzzer sounds during
driving
An alarm is activated and the
horn sounds
A warning buzzer sounds when
leaving the vehicle
A warning light turns on or a
warning message is displayed
When a problem has occurred
If you have a flat tire

484Alphabetical Index
If the vehicle is submerged or water on the road is rising..................................... 385
If you have a flat tire ..................................406
If you lose your keys...................................419
If you think something is wrong ...........391
If your vehicle becomes stuck............. 428
If your vehicle has to be stopped in an
emergency ................................................384
If your vehicle needs to be towed ..... 387
If your vehicle overheats ........................ 426
Engine ACCESSORY mode ............................... 173
Compartment ...............................................351
Engine switch.................................................170
Fuel pump shut off system .................... 392
Hood................................................................ 349
How to start the engine ............................170
Identification number ................................. 431
If the engine will not start ........................ 418
If your vehicle has to be stopped in an
emergency ................................................384
Ignition switch (engine switch) .............170
Overheating................................................. 426
Tachometer ..................................................... 75
Engine coolant Capacity ......................................................... 434
Checking ....................................................... 353
Preparing and checking before winter........................................................................... 271
Engine coolant temperature gauge ........75
Engine immobilizer system ........................ 66
Engine oil Capacity ......................................................... 432
Checking .........................................................351
Preparing and checking before winter........................................................................... 271
Warning light ............................................... 394
Engine oil maintenance data .................. 353
Engine switch ..................................................170 Auto power off function ........................... 173
Changing the engine switch modes.. 173 If your vehicle has to be stopped in an
emergency ................................................ 384
EPS (Electric Power Steering) .............. 266 Warning light .............................................. 395
Event data recorder (EDR) ........................... 8
F
Flat tire Tire pressure warning system ............ 359
Vehicles with a spare tire...................... 406
Floor mats .......................................................... 24
Fluid Automatic transmission ..........................435
Brake ................................................................436
Washer .......................................................... 356
Fog lights Switch................................................................ 190
Footwell light .................................................300
Front automatic air conditioning system .......................................................................... 284
Front fog lights Replacing light bulbs................................375
Front passenger footwell hooks ............ 325
Front passenger occupant classification system .............................................................. 39
Front seats Adjustment ....................................................... 117
Cleaning .........................................................339
Correct driving posture ............................ 25
Driving position memory .........................129
Head restraints..............................................132
Memory recall function.............................. 131
Power easy access system .....................129
Seat heaters .................................................. 297
Seat position memory ...............................129
Seat ventilators ............................................ 297
Front side marker light Light switch .................................................... 184
Replacing light bulbs................................375
Front side marker lights Replacing light bulbs................................375
Wattage .......................................................... 437

485Alphabetical Index
Front turn signal lightsReplacing light bulbs.................... 375, 377
Turn signal lever ...........................................178
Wattage.......................................................... 437
Fuel Capacity ......................................................... 432
Fuel gauge ....................................................... 75
Fuel pump shut off system .................... 392
Information ....................................................438
Refueling ......................................................... 195
Type.................................................................. 432
Warning light ...............................................396
Fuel consumption Average fuel economy ..............................80
Current fuel consumption........................80
Fuel filler door If the fuel filler door cannot be opened......................................................................... 420
Refueling ......................................................... 195
Fuel gauge ..........................................................75
Fuel pump shut off system........................ 392
Fuses ................................................................... 371
G
Garage door opener ................................. 326
Gauges ................................................................75
G-force............................................................... 82
Glove box ....................................................... 305
Glove box light .............................................305
Grocery bag hooks .................................... 309
H
Hands Free Power Back Door ............... 104
Head restraints ...............................................132
Headlight aim ................................................ 372
Headlights Adaptive Front-lighting System (AFS).......................................................................... 186
Automatic High Beam system..............187
Light switch .................................................... 184
Replacing light bulbs................................ 375 Head-up display.............................................. 86
Driving information display area ...........86
Eco Driving Indicator..................................90
HUD (Head-up display) switch ............ 87
Navigation system-linked display ........89
Settings.............................................................. 88
Heated steering wheel .............................. 297
Heaters Front automatic air conditioning system..........................................................................284
Heated steering wheel ............................ 297
Outside rear view mirrors.................... 286
Rear automatic air conditioning system
.......................................................................... 294
Seat heaters .................................................. 297
High mounted stoplight Replacing light bulbs................................375
Hill-start assist control ............................... 266
Hood Open................................................................349
Hooks Cargo hooks............................................... 309
Cargo net hooks....................................... 309
Coat hooks ................................................... 323
Front passenger footwell hooks.........325
Grocery bag hooks................................. 309
Retaining hooks (floor mat) ..................... 24
Horn ....................................................................135
HUD (Head-up display) switch ................ 87
I
I/M test ............................................................ 346
Identification Engine................................................................431
Vehicle ..............................................................431
If your vehicle has to be stopped in an emergency .................................................. 384
Ignition switch (engine switch).................170 Auto power off function............................173
Changing the engine switch modes ..173
If your vehicle has to be stopped in an emergency ................................................ 384

490Alphabetical Index
Shift lever light ..............................................300
Side airbags ...................................................... 30
Side doors...........................................................97
Side marker lightsLight switch .................................................... 184
Replacing light bulbs................................ 375
Side mirrors Adjustment...................................................... 137
BSM (Blind Sport Monitor) ................. 232
Folding ............................................................. 138
Linked mirror function when reversing........................................................................... 137
Mirror position memory........................... 129
RCTA function ............................................ 245
Side turn signal lights Replacing light bulbs................................ 375
Turn signal lever ...........................................178
Side windows ................................................. 140
Smart access system with push-button start Antenna location........................................... 113
Entry functions...................................... 97, 102
Starting the engine ......................................170
Smartphone holder..................................... 305
Snow tires ......................................................... 271
Spare tire......................................................... 406 Storage location ......................................... 407
Spark plug ...................................................... 434
Specifications ................................................ 430
Speedometer ....................................................75
Steering lock Column lock release....................................171
Steering lock system warning message.............................................................................171
Steering wheel Adjustment......................................................135
Heated steering wheel............................ 297
Meter control switches ..............................80
Power easy access system ..................... 129
Steering wheel position memory ........ 129
Stop lights Replacing light bulbs................................ 375 Storage features .......................................... 303
Stuck
If the vehicle becomes stuck ................428
Suggestion function....................................... 84
Sun visors ........................................................ 324
Sunshade Panoramic moon roof .............................. 145
Roof.....................................................................143
Switches Automatic High Beam switch .............. 187
Brake Hold switch...................................... 182
Door lock switches ......................................99
Driving mode select switch .................. 262
Driving position memory switches .....129
Dynamic radar cruise control with full-speed range switch ....................... 222
Electronic sunshade switch ................... 145
Emergency flashers switch .................. 384
Engine switch ................................................ 170
Fog light switch ............................................ 190
Garage door opener switches...........326
Heated steering wheel switch ............. 297
HUD (Head-up display) switch ............ 87
Ignition switch ............................................... 170
Instrument panel light control switches ............................................................................. 78
Intuitive parking assist switch ...............239
Light switches ............................................... 184
LTA (Lane Tracing Assist) switch ...... 215
Meter control switches ............................. 80
Moon roof switches....................................142
“ODO TRIP” switch .................................... 78
Outside rear view mi rror switches .....137
Paddle shift switches ........................176, 177
Panoramic moon roof switches .......... 145
Parking brake switch..................................179
PCS OFF switch ....................................... 206
PKSB (Parking Support Brake) switch .......................................................................... 252
Power window switches ......................... 140
RCTA switch ................................................ 246