stop start Lexus GX460 2020 / LEXUS 2020 GX460 (OM60R27U) Service Manual

5417-2. Steps to take in an emergency
GX460_OM_OM60R27U_(U)
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When trouble arises
Ensure that the shift lever is in P and depress the brake pedal.
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 cus-
tomization setting, the engine switch will
turn to ACCESSORY mode.
Firmly depress the brake pedal and check that is shown on the multi-
information display.
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 and press the engine switch as you normally do when stopping
the engine.
■Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the electronic
key battery be replaced immediately when the battery is depleted. ( P. 484)
■Changing engine switch modes
Within 10 seconds of the buzzer sounding, release the brake pedal and press the engine
switch.
The engine does not start and modes will be changed each time the switch is pressed.
(  P. 197)
■When the electronic key does not work properly
●Make sure that the smart access system wi th push-button start has not been deacti-
vated in the customization setting. If it is off, turn the function on.
(Customizable features:  P. 576)
●Check if battery-saving mode is set. If it is set, cancel the function. (P. 123)
Starting the engine
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5477-2. Steps to take in an emergency
GX460_OM_OM60R27U_(U)
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When trouble arises
The coolant level is satisfactory if it is between the “F” and “L” lines on the res-
ervoir. Reservoir
“F”
“L”
Radiator cap
Add coolant if necessary.
Water can be used in an emergency if
coolant is unavailable.
Start the engine and turn the air conditio ning system on to check that the radi-
ator cooling fans operate 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 operating by checking the fan sound and air flow.
If it is difficult to check these, turn the air conditioning system on and off repeatedly.
(The fans may not operate in freezing temperatures.)
If the fans are not operating:
Stop the engine immediately an d contact your Lexus dealer.
If the fans are operating:
Have the vehicle inspected at the nearest Lexus dealer.
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549
GX460_OM_OM60R27U_(U)
7
When trouble arises
7-2. Steps to take in an emergency
If the vehicle becomes stuck
Stop the engine. Set the parking brake and shift the shift lever to P.
Remove the mud, snow or sand from around the stuck tire.
Place wood, stones or some other mate rial under the tires to help provide
traction.
Restart the engine.
Lock the center differential. ( P. 341)
Shift the shift lever to the D or R positi on and release the parking brake. Then,
while exercising caution, depress the accelerator pedal.
■When it is difficult to free the vehicle
Turn off TRAC/Active TRAC/VSC/Trailer Sway Control if these functions are hamper-
ing your attempts to free the vehicle. ( P. 353)
Carry out the following procedures if the tires spin or the vehicle becomes
stuck in mud, dirt, or snow:
Press to turn off TRAC/Active TRAC/VSC/
Trailer Sway Control.
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604What to do if... (Troubleshooting)
GX460_OM_OM60R27U_(U)
●It is locked automatically to prevent theft of the vehicle. ( P. 198)
●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. 156)
●The auto power off function will be operated if the vehicle is left in ACCES-
SORY or IGNITION ON mode (the engine is not running) for a period of
time. ( P. 198)
●The seat belt reminder light is flashing
Are the driver and the front passe nger wearing the seat belts?
( P. 513)
●The parking brake indicator is on
Is the parking brake released? ( P. 208)
Depending on the situation, other types of warning buzzer may also sound.
( P. 511, 520)
●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. ( P. 78)
To stop the alarm, turn the engine switch to IGNITION ON mode or start the
engine. 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

614Alphabetical index
GX460_OM_OM60R27U_(U)
Seat heaters ............................................ 390
Seat ventilators ........................................391
Seat position memory............................ 141
Seats.................................................. 128, 130Adjustment ...................................128, 130
Adjustment precautions ........129, 140
Child seats/child restraint system installation............................. 58
Cleaning ................................................. 437
Driving position memory .................. 141
Head restraint ....................................... 146
Properly sitting in the seat ................ 28
Seat position memory......................... 141
Ventilators .............................................. 391
Sensor Automatic headlight system .......... 210
Automatic High Beam system ...... 212
Inside rear view mirror ..................... 152
Intuitive parking assist-sensor .....266
LDA (Lane Departure Alert) .......246
Radar sensor ....................................... 230
Rain-sensing windshield wipers ...................................................220
Service reminder indicators ............... 82
Shift lever Automatic transmission ..................202
If the shift lever cannot be shifted from P .................................. 205
Shift lock system.................................... 204
Side airbags ............................................... 36
Side mirrors ............................................. 153 Adjusting and folding........................ 153
Blind Spot Monitor............................357 Side turn signal lights ...........................207
Replacing light bulbs ....................... 497
Turn signal lever ................................. 207
Smart access system with push-button start...................................121 Antenna location....................................121
Starting the engine ..............................196
Snow tires ................................................ 369
Spare tire ..................................................524 Inflation pressure............................... 560
Storage location ................................. 525
Spark plug ............................................... 556
Specifications......................................... 552
Speedometer ............................................ 88
Steering lock Column lock release .........................199
Steering wheel ........................................ 149 Adjustment..............................................149
Audio switches
*
Heated steering wheel ...................389
Steering wheel position memory...................................................141
Stop/tail lights Replacing light bulbs ....................... 497
Storage feature ..................................... 395
Stuck If the vehicle becomes stuck........ 549
Sunshade Roof ........................................................... 160
Sun visors.....................................................411
Switch Automatic High Beam switch ....... 212
AVS switch ........................................... 339
BSM (Blind Spot Monitor) switch ...................................................358
Center differential lock/ unlock switch...................................... 341