2021 Lexus GX460 warning light

612What to do if... (Troubleshooting)
GX460_OM_OM60T19U_(U)
●It is locked automatically to prevent theft of the vehicle. ( P. 202)
●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. 160)
●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. 202)
●The seat belt reminder light is flashing
Are the driver and the front passe nger wearing the seat belts?
( P. 520)
●The parking brake indicator is on
Is the parking brake released? ( P. 212)
Depending on the situation, other types of warning buzzer may also sound.
( P. 518, 527)
●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. ( P. 79)
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

613What to do if... (Troubleshooting)
GX460_OM_OM60T19U_(U)
●Is the electronic key left inside the vehicle or the moon roof opened?
Check the message on the multi-information display. (P. 527)
●When a warning light turns on or a warning message is displayed, refer to
P. 518, 527.
●Stop the vehicle in a safe place and replace the flat tire with the spare tire.
( P. 531)
●Try the procedure for when the vehicle becomes stuck in mud, dirt, or snow.
(P. 556)
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
The vehicle becomes stuck

614Alphabetical index
GX460_OM_OM60T19U_(U)
Alphabetical index
A/C ................................................ 384, 394Air conditioning filter....................... 490
ABS (Anti-lock Brake System)....... 355 Function ................................................. 355
Warning light ........................................ 519
Active Traction Control .................... 356
Air conditioning filter .......................... 490
Air conditioning system ......... 384, 394 Air conditioning filter....................... 490
Micro dust and pollen filter .......... 389
Airbags ........................................................ 36 Airbag operating conditions ........... 44
Airbag precautions for your child........................................ 39
Airbag warning light .......................... 518
Correct driving posture .................... 28
Curtain shield airbag operating conditions........................ 44
Curtain shield airbag precautions ........................................... 39
General airbag precautions............ 39
Locations of airbags ............................ 36
Modification and disposal of airbags ............................ 43
Side airbag operating conditions .............................................. 44
Side airbag precautions..................... 39
Side and curtain shield airbags operating conditions........................ 44
Side and curtain shield airbags precautions ........................................... 39
SRS airbags.............................................. 36
SRS warning light................................ 518
Alarm Alarm........................................................... 79
Warning buzzer .................................. 518 Anchor brackets...................................... 58
Antennas (smart access system
with push-button start) ..................... 125
Anti-lock brake system (ABS)........ 355 Function ..................................................355
Warning light .........................................519
Armrest ..................................................... 427
Assist grip ................................................ 428
Audio input
*
Audio system*
Automatic headlight leveling system ..................................... 215
Automatic High Beam ......................... 216
Automatic light control system ........ 214
Automatic transmission..................... 206 If the shift lever cannot be shifted from P ................................... 209
S mode.................................................... 207
AUX port
*
Auxiliary boxes .............................408, 411
AVS ........................................................... 343
Back door ................................................... 115
Back-up lights Replacing light bulbs .......................504
Wattage .................................................569
Battery ...................................................... 468 Battery checking ................................468
If the vehicle battery is discharged........................................ 550
Preparing and checking before winter .................................... 374
Warning light ........................................ 518
Bluetooth
®*
A
B

615Alphabetical index
GX460_OM_OM60T19U_(U)
Bottle holders ......................................... 407
BrakeFluid...........................................................567
Parking brake......................................... 212
Warning light ........................................ 518
Brake assist ............................................. 355
Break-in tips..............................................170
Brake Override System.......................169
Brightness control Instrument panel light control .......................................................91
BSM (Blind Spot Monitor)..................361 The Blind Spot Monitor function ............................................... 366
The Rear Cross Traffic Alert function ............................................... 369
Care ................................................ 442, 445 Aluminum wheels .............................. 442
Exterior.................................................... 442
Interior .....................................................445
Seat belts ................................................446
Cargo hooks ........................................... 410
Cargo net hooks ...................................... 411
Center differential................................ 344
CD player
*
Chains ....................................................... 375
Child restraint system............................ 54 Booster seats, definition ....................55
Booster seats, installation..................65
Convertible seats, definition ............55
Convertible seats, installation ......... 62 Installing child restraint system
with LATCH system........................ 60
Installing child restraint system with seat belts...................................... 62
Installing child restraint system with top tether strap......................... 66
Infant seats, definition.......................... 55
Infant seats, installation....................... 62
Child safety ................................................ 53 Airbag precautions.............................. 39
Back door precautions....................... 117
Battery precautions ..............469, 552
Child restraint system......................... 54
Glass hatch precaution .................... 122
How your child should wear the seat belt ...........................................32
Installing child restraints .................... 58
Moon roof precautions ....................166
Power window lock switch............ 160
Power window precautions ........... 162
Rear door child-protectors ............... 111
Removed key battery precautions ....................................... 493
Seat belt precautions .......................... 33
Seat heater precautions ................. 397
Child-protectors ....................................... 111
Cleaning Aluminum wheels .............................. 442
Exterior ................................................... 442
Interior ..................................................... 445
Seat belts................................................ 446
Clock......................................................... 420
Coat hooks ............................................. 428
Compass ..................................................429
Condenser.............................................. 465
C
*: Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL” or “MULTIMEDIA OWNER’S MANUAL”.

616Alphabetical index
GX460_OM_OM60T19U_(U)
Console box ........................................... 404
Cool box .................................................... 417
Cooling system ..................................... 463Engine overheating.......................... 553
Conversation mirror ........................... 420
Crawl Control ....................................... 348
Cruise control Dynamic radar cruise control..... 258
Cup holders ............................................ 406
Curtain shield airbags ........................... 36
Current fuel consumption ................... 95
Customizable features ....................... 584
DAC (Downhill Assist Control system)................................................... 352
Daytime running light system ............ 214
Defogger Front windshield ................................ 388
Outside rear view mirrors ............ 389
Rear window ....................................... 389
Differential ............................................... 565
Dimension ............................................... 560
Display Drive information ..................................95
Multi-information display .................. 93
Warning message ............................. 527
Do-it-yourself maintenance ............. 455
Doors.......................................................... 108 Back door ................................................. 115
Door glasses ......................................... 160
Door lock ................................................108
Open door warning light.............. 520
Outside rear view mirrors .............. 157
Rear door child-protector.................. 111
Drive information .................................... 95
Drive-Start Control ...............................170 Driver’s seat position memory.......... 145
Driving ........................................................168
AVS switch ........................................... 343
Break-in tips ...........................................170
Correct posture .................................... 28
Procedures ............................................ 168
Winter drive tips ................................ 374
Dynamic radar cruise control ......... 258
Eco Driving Indicator ............................ 98
EDR (Event data recorder)................... 10
Electronic key .......................................... 104 Battery-saving function .................... 127
If the electronic key does not operate properly ............................ 547
Replacing the battery ...................... 492
Emergency, in case of If the electronic key does not operate properly ............................ 547
If the engine will not start ...............545
If the vehicle has discharged battery ....................... 550
If the vehicle is trapped in rising water...................................................... 510
If the warning buzzer sounds ....... 518
If the warning light turns on ........... 518
If you have a flat tire ............................531
If you lose your keys................ 105, 107
If you think something is wrong.....................................................516
If your vehicle becomes stuck......................................................556
If your vehicle needs to be towed ...................................................... 511
If your vehicle overheats ................553
D
E

617Alphabetical index
GX460_OM_OM60T19U_(U)
Emergency flashers .............................508
EngineAccessory mode................................. 201
Brake Override System .................. 169
Compartment..................................... 459
Drive-Start Control............................ 170
Hood ....................................................... 458
How to start the engine ................. 200
Identification number .......................562
If the engine will not start............... 545
Ignition switch (engine switch)... 200
Overheating ........................................ 553
Engine compartment cover ............. 460
Engine coolant....................................... 463 Capacity ................................................ 564
Checking................................................463
Preparing and checking before winter .................................... 374
Engine immobilizer system .................. 77
Engine oil ...................................................461 Capacity .................................................562
Checking................................................. 461
Preparing and checking before winter .................................... 374
Warning message .............................529
Engine oil maintenance data ........... 462
Engine switch .........................................200
Engine switch light ...............................400
Event data recorder (EDR) ...................10 Flat tire ........................................................ 531
Floor mats....................................................26
Fluid
Automatic transmission ..................566
Brake........................................................ 567
Steering ................................................. 568
Washer ..................................................... 471
Fog lights.................................................... 221 Replacing light bulbs ...................... 505
Switch ........................................................ 221
Four-wheel drive system....................344
Front passenger occupant classification system ............................ 47
Front passenger’s seat belt reminder light ..................................... 520
Front seats ................................................. 132 Adjustment.............................................. 132
Cleaning................................................. 445
Correct driving posture .................... 28
Driving position memory.................145
Head restraints .................................... 150
Seat heaters ..........................................398
Seat position memory .......................145
Front turn signal lights ............................211 Replacing light bulbs ........................ 501
Turn signal lever .....................................211
Wattage .................................................569F

618Alphabetical index
GX460_OM_OM60T19U_(U)
Fuel ............................................................. 562Capacity .................................................562
Fuel gauge ................................................90
Fuel pump shut off system.............. 517
Information ........................................... 570
Refueling................................................. 229
Type ............................................. 562, 570
Warning light ...................................... 520
Fuel consumption information ......... 100
Fuel filler door ........................................ 229 Refueling................................................. 229
Fuel gauge .................................................. 90
Fuel pump shut off system...................517
Fuses .......................................................... 494
Garage door opener .......................... 433
Gauges ........................................................ 90
Glass hatch .............................................. 120
Glove box ................................................ 404
Hands-free system (for cellular phone)
*
Head restraints ....................................... 150
Headlights .................................................213 Light switch .............................................213
Replacing light bulbs ....................... 505
Headlights cleaner............................... 228
Heaters Automatic air conditioning system ..................................... 384, 394
Seat heaters ......................................... 398
Outside rear view mirrors ............ 389
Height control........................................ 339
Hill-start assist control ........................ 356 Hood ......................................................... 458
Hooks
Cargo hooks ................................ 410, 411
Coat hooks ........................................... 428
Retaining hooks (floor mat)............. 26
Horn............................................................. 153
I/M test ..................................................... 454
Identification Engine ..................................................... 562
Vehicle ......................................................561
Ignition switch (engine switch) ....... 200
Ignition switch light .............................. 400
Illuminated entry system ................... 402
Immobilizer system ................................. 77
Indicators .................................................... 84
Initialization Items to initialize .................................593
Maintenance data.................. 449, 462
Moon roof ...............................................164
Power windows..................................... 161
Tire pressure warning system ..... 474
Inside rear view mirror......................... 155
Instrument panel light control .............. 91
Interior lights .......................................... 400 Switch ........................................................401
Wattage .................................................569
Jack Vehicle-equipped jack ................... 532
Jack handle ............................................. 535
Jam protection function Moon roof ...............................................164
Power windows..................................... 161
G
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619Alphabetical index
GX460_OM_OM60T19U_(U)
Keyless entrySmart access system with push-button start ............................. 125
Wireless remote control ................. 104
Keys............................................................. 104 Battery-saving function ..................... 127
Electronic key ....................................... 104
If the electronic key does not operate properly.............................547
If you lose your keys ............... 105, 107
Key number plate ............................... 104
Keyless entry ..................... 108, 115, 125
Mechanical key .................................... 105
Replacing the battery .......................492
Wireless remote control ................. 104
KDSS ......................................................... 356 Warning light ........................................ 519
Lane Departure Alert (LDA) .......... 250
Lever Auxiliary catch lever ........................ 458
Hood lock release lever ................ 458
Shift lever ............................................... 206
Turn signal lever .................................... 211
Wiper lever ........................................... 222
Lexus Enform Safety Connect............. 71
Lexus Safety System +........................ 233 Automatic High Beam ..................... 216
Dynamic radar cruise control..... 258
LDA (Lane Departure Alert) ...... 250
PCS (Pre-Collision System) ........239 License plate lights ................................ 213
Light switch............................................. 213
Replacing light bulbs ...................... 505
Light Engine switch light ........................... 400
Fog light switch ..................................... 221
Headlight switch .................................. 213
Illuminated entry system................. 402
Interior light.............................................401
Interior light list ................................... 400
Personal light .........................................401
Replacing light bulbs ....................... 499
Turn signal lever .....................................211
Vanity lights ............................................419
Wattage .................................................569
Welcome lighting................................ 215
Light bulbs Replacing ............................................... 499
Wattage .................................................569
Lock steering column......................... 202
Luggage cover ........................................ 412
K
L
*: Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL” or “MULTIMEDIA OWNER’S MANUAL”.