2020 Lexus GX460 warning light

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

605What to do if... (Troubleshooting)
GX460_OM_OM60R27U_(U)
●Is the electronic key left inside the vehicle or the moon roof opened?
Check the message on the multi-information display. (P. 520)
●When a warning light turns on or a warning message is displayed, refer to
P. 511, 520.
●Stop the vehicle in a safe place and replace the flat tire with the spare tire.
( P. 524)
●Try the procedure for when the vehicle becomes stuck in mud, dirt, or snow.
(P. 549)
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

606Alphabetical index
GX460_OM_OM60R27U_(U)
Alphabetical index
A/C .................................................376, 386Air conditioning filter........................482
ABS (Anti-lock Brake System)........ 351 Function ................................................... 351
Warning light ........................................ 512
Active Traction Control .................... 352
Air conditioning filter .......................... 482
Air conditioning system ..........376, 386 Air conditioning filter........................482
Micro dust and pollen filter ............ 381
Airbags ........................................................ 36 Airbag operating conditions ........... 44
Airbag precautions for your child........................................ 39
Airbag warning light ............................ 511
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.................................. 511
Alarm Alarm........................................................... 78
Warning buzzer .................................... 511 Anchor brackets...................................... 58
Antennas (smart access system
with push-button start) .......................121
Anti-lock brake system (ABS).......... 351 Function ....................................................351
Warning light ......................................... 512
Armrest ...................................................... 419
Assist grip ................................................ 420
Audio input
*
Audio system*
Automatic headlight leveling system .......................................211
Automatic High Beam ......................... 212
Automatic light control system ........ 210
Automatic transmission..................... 202 If the shift lever cannot be shifted from P ...................................205
S mode.................................................... 203
AUX port
*
Auxiliary boxes ......................... 400, 403
AVS ........................................................... 339
Back door ..................................................... 111
Back-up lights Replacing light bulbs ....................... 496
Wattage ...................................................561
Battery ...................................................... 460 Battery checking ................................460
If the vehicle battery is discharged......................................... 543
Preparing and checking before winter .................................... 367
Warning light .......................................... 511
Bluetooth
®*
A
B

607Alphabetical index
GX460_OM_OM60R27U_(U)
Bottle holders ......................................... 399
BrakeFluid.......................................................... 559
Parking brake...................................... 208
Warning light .......................................... 511
Brake assist .............................................. 351
Break-in tips..............................................166
Brake Override System.......................165
Brightness control Instrument panel light control .....................................................89
BSM (Blind Spot Monitor)................ 357 The Blind Spot Monitor function ................................................. 361
The Rear Cross Traffic Alert function ................................................364
Care ................................................ 434, 437 Aluminum wheels ..............................434
Exterior....................................................434
Interior ..................................................... 437
Seat belts ............................................... 438
Cargo hooks .......................................... 402
Cargo net hooks ................................... 403
Center differential................................ 340
CD player
*
Chains ....................................................... 368
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.......................113
Battery precautions ............... 461, 545
Child restraint system......................... 54
Glass hatch precaution ..................... 118
How your child should wear the seat belt ...........................................32
Installing child restraints .................... 58
Moon roof precautions .................... 162
Power window lock switch.............156
Power window precautions .......... 158
Rear door child-p rotectors ............107
Removed key battery precautions .......................................485
Seat belt precautions .......................... 33
Seat heater precautions .................389
Child-protectors .................................... 107
Cleaning Aluminum wheels .............................. 434
Exterior ................................................... 434
Interior ..................................................... 437
Seat belts................................................438
Clock........................................................... 412
Coat hooks ............................................. 420
Compass ................................................... 421
Condenser...............................................457
C
*: Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL” or “MULTIMEDIA OWNER’S MANUAL”.

608Alphabetical index
GX460_OM_OM60R27U_(U)
Console box ........................................... 396
Cool box .................................................. 409
Cooling system ..................................... 455Engine overheating.......................... 546
Conversation mirror ............................. 412
Crawl Control ....................................... 344
Cruise control Dynamic radar cruise control......254
Cup holders ............................................ 398
Curtain shield airbags ........................... 36
Current fuel consumption ................... 93
Customizable features ....................... 576
DAC (Downhill Assist Control system)................................................... 348
Daytime running light system ........... 210
Defogger Front windshield ................................ 380
Outside rear view mirrors .............. 381
Rear window ......................................... 381
Differential ............................................... 557
Dimension ............................................... 552
Display Drive information .................................. 93
Multi-information display ....................91
Warning message ............................ 520
Do-it-yourself maintenance ............. 447
Doors.......................................................... 104 Back door ................................................... 111
Door glasses ......................................... 156
Door lock ................................................ 104
Open door warning light................ 513
Outside rear view mirrors .............. 153
Rear door child-protector.............. 107
Drive information .................................... 93
Drive-Start Control ...............................166 Driver’s seat position memory............141
Driving ........................................................ 164
AVS switch ........................................... 339
Break-in tips ...........................................166
Correct posture .................................... 28
Procedures .............................................164
Winter drive tips ................................ 367
Dynamic radar cruise control ..........254
Eco Driving Indicator .............................96
EDR (Event data recorder)................... 10
Electronic key ......................................... 100 Battery-saving function .................... 123
If the electronic key does not operate properly ............................540
Replacing the battery ...................... 484
Emergency, in case of If the electronic key does not operate properly ............................540
If the engine will not start ...............538
If the vehicle has discharged battery ........................ 543
If the vehicle is trapped in rising water.....................................................502
If the warning buzzer sounds ......... 511
If the warning light turns on ............. 511
If you have a flat tire .......................... 524
If you lose your keys................. 101, 103
If you think something is wrong.................................................. 509
If your vehicle becomes stuck...................................................... 549
If your vehicle needs to be towed ...................................................503
If your vehicle overheats ................ 546
D
E

609Alphabetical index
GX460_OM_OM60R27U_(U)
Emergency flashers .............................500
EngineAccessory mode..................................197
Brake Override System .................. 165
Compartment....................................... 451
Drive-Start Control............................ 166
Hood ....................................................... 450
How to start the engine ................... 196
Identification number ...................... 554
If the engine will not start............... 538
Ignition switch (engine switch)..... 196
Overheating ........................................ 546
Engine compartment cover ............. 452
Engine coolant....................................... 455 Capacity ................................................ 556
Checking............................................... 455
Preparing and checking before winter ....................................367
Engine immobilizer system ..................76
Engine oil ................................................. 453 Capacity ................................................ 554
Checking................................................453
Preparing and checking before winter ....................................367
Warning message ............................. 522
Engine oil maintenance data ........... 454
Engine switch ...........................................196
Engine switch light ............................... 392
Event data recorder (EDR) ...................10 Flat tire .......................................................524
Floor mats....................................................26
Fluid
Automatic transmission ................. 558
Brake........................................................559
Steering ................................................. 560
Washer ................................................... 463
Fog lights.................................................... 217 Replacing light bulbs ....................... 497
Switch ........................................................ 217
Four-wheel drive system................... 340
Front passenger occupant classification system ............................ 47
Front passenger’s seat belt reminder light ....................................... 513
Front seats ................................................. 128 Adjustment..............................................128
Cleaning................................................. 437
Correct driving posture .................... 28
Driving position memory...................141
Head restraints .....................................146
Seat heaters ..........................................390
Seat position memory .........................141
Front turn signal lights .........................207 Replacing light bulbs ....................... 493
Turn signal lever ................................. 207
Wattage ...................................................561F

610Alphabetical index
GX460_OM_OM60R27U_(U)
Fuel ............................................................. 554Capacity ................................................ 554
Fuel gauge ............................................... 88
Fuel pump shut off system.............. 510
Information ............................................562
Refueling................................................. 225
Type ............................................. 554, 562
Warning light ........................................ 513
Fuel consumption information ........... 98
Fuel filler door ........................................ 225 Refueling................................................. 225
Fuel gauge .................................................. 88
Fuel pump shut off system.................. 510
Fuses .......................................................... 486
Garage door opener .......................... 425
Gauges ........................................................ 88
Glass hatch ................................................ 116
Glove box ................................................ 396
Hands-free system (for cellular phone)
*
Head restraints ........................................146
Headlights ............................................... 209 Light switch .......................................... 209
Replacing light bulbs ........................ 497
Headlights cleaner............................... 224
Heaters Automatic air conditioning system ..................................... 376, 386
Seat heaters ......................................... 390
Outside rear view mirrors .............. 381
Height control........................................ 335
Hill-start assist control ........................ 352 Hood ......................................................... 450
Hooks
Cargo hooks ...........................402, 403
Coat hooks ........................................... 420
Retaining hooks (floor mat)............. 26
Horn............................................................. 149
I/M test ......................................................446
Identification Engine .....................................................554
Vehicle ....................................................553
Ignition switch (engine switch) ......... 196
Ignition switch light .............................. 392
Illuminated entry system ................... 394
Immobilizer system ................................. 76
Indicators .................................................... 82
Initialization Items to initialize ................................ 585
Maintenance data....................441, 454
Moon roof .............................................. 160
Power windows.................................... 157
Tire pressure warning system ..... 466
Inside rear view mirror.......................... 151
Instrument panel light control ............ 89
Interior lights .......................................... 392 Switch ...................................................... 393
Wattage ...................................................561
Jack Vehicle-equipped jack ................... 525
Jack handle ............................................. 528
Jam protection function Moon roof .............................................. 160
Power windows.................................... 157
G
H
I
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611Alphabetical index
GX460_OM_OM60R27U_(U)
Keyless entrySmart access system with push-button start ............................... 121
Wireless remote control .................100
Keys............................................................. 100 Battery-saving function .....................123
Electronic key .......................................100
If the electronic key does not operate properly............................ 540
If you lose your keys ................. 101, 103
Key number plate ...............................100
Keyless entry ..........................104, 111, 121
Mechanical key ...................................... 101
Replacing the battery ...................... 484
Wireless remote control .................100
KDSS ......................................................... 352 Warning light ........................................ 512
Lane Departure Alert (LDA) .......... 246
Lever Auxiliary catch lever ........................ 450
Hood lock release lever ................ 450
Shift lever ................................................202
Turn signal lever .................................207
Wiper lever ............................................ 218
Lexus Enform Safety Connect............. 71
Lexus Safety System +........................ 229 Automatic High Beam ...................... 212
Dynamic radar cruise control......254
LDA (Lane Departure Alert) .......246
PCS (Pre-Collision System) ........235 License plate lights .............................. 209
Light switch........................................... 209
Replacing light bulbs ....................... 497
Light Engine switch light ............................ 392
Fog light switch ..................................... 217
Headlight switch ................................ 209
Illuminated entry system................. 394
Interior light........................................... 393
Interior light list .................................... 392
Personal light ....................................... 393
Replacing light bulbs .........................491
Turn signal lever ................................. 207
Vanity lights ..............................................411
Wattage ...................................................561
Welcome lighting..................................211
Light bulbs Replacing .................................................491
Wattage ...................................................561
Lock steering column...........................198
Luggage cover ...................................... 404
K
L
*: Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL” or “MULTIMEDIA OWNER’S MANUAL”.