2019 Lexus GX460 warning lights

518
GX460_OM_OM60Q84U_(U)7-2. Steps to take in an emergency
If a warning light turns on or a warning buzzer
sounds
Calmly perform the following actions if any of the warning lights comes on or
flashes. If a light comes on or flashes, but then goes off, this does not necessar-
ily indicate a malfunction in the system
. However, if this continues to occur,
have the vehicle inspecte d by your Lexus dealer.
Warning light and warning buzzer list
Warning lightWarning light/Details/Actions
(U.S.A.)
(Canada)
Brake system warning light (warning buzzer) Indicates that:
• The brake fluid level is low; or
• The brake system is malfunctioning.
 Immediately stop the vehicle in a safe place and contact your
Lexus dealer. Continuing to drive the vehicle may be dangerous.
Charging system warning light
Indicates a malfunction in the vehicle’s charging system
 Immediately stop the vehicle in a safe place and contact your
Lexus dealer.
(U.S.A.)
(Canada)
Malfunction indicator lamp Indicates a malfunction in:
• The electronic engine control system;
• The electronic throttle control system; or
• The electronic automatic transmission control system
 Have the vehicle inspected by your Lexus dealer immediately.
SRS warning light
Indicates a malfunction in:
• The SRS airbag system; or
• The seat belt pretensioner system
 Have the vehicle inspected by your Lexus dealer immediately.
(U.S.A.)
(Canada)
ABS warning light Indicates a malfunction in:
• The ABS; or
• The brake assist system
 Have the vehicle inspected by your Lexus dealer immediately.

5197-2. Steps to take in an emergency
GX460_OM_OM60Q84U_(U)
7
When trouble arises
(Flashes)
(If equipped)
“PCS” warning light Indicates a malfunction in the pre-collision system
The warning light will operate as follows, even when the system is
not malfunctioning:
• The light will flash quickly when the system is operating.
( P. 372)
• The light will turn on when the pre-collision braking is disabled. ( P. 373)
• The light will turn on when the system cannot temporarily be
used. ( P. 532)
 Have the vehicle inspected by your Lexus dealer immediately.
Slip indicator
Indicates a malfunction in:
• The Multi-terrain Select (if equipped);
• The Crawl Control (if equipped);
• The downhill assist cont rol system (if equipped);
• The VSC (Vehicle Stability Control) system;
• The TRAC (Traction Control) system;
• Active TRAC (Traction Control) system;
• Trailer Sway Control; or
• The hill-start assist control system (if equipped)
The light will flash when any of the above systems other than the
Multi-terrain Select are operating.
 Have the vehicle inspected by your Lexus dealer immediately.
LED headlight warning light
Indicates a malfunction in the LED headlights
The LED headlights will not normal ly illuminate when there is a
malfunction, however it may be able to illuminate depending on the
nature of the problem.
 Have the vehicle inspected by your Lexus dealer immediately.
(Flashes)
Automatic headlight leve ling system warning light
Indicates a malfunction in the automatic headlight leveling system
 Have the vehicle inspected by your Lexus dealer immediately.
Kinetic dynamic suspension system warning light
Indicates a malfunction in the kin etic dynamic suspension system.
 Have the vehicle inspected by your Lexus dealer immediately.
Warning lightWarning light/Details/Actions

5237-2. Steps to take in an emergency
GX460_OM_OM60Q84U_(U)
7
When trouble arises
CAUTION
■If both the ABS and the brake sy stem warning lights remain on
Stop your vehicle in a safe place immediat ely and contact your Lexus dealer. The vehi-
cle will become extremely unstable during br aking, and the ABS system may fail, which
could cause an accident resultin g in death or serious injury.
■If the tire pressure warning light comes on
Be sure to observe the following precautions. Failure to do so could cause loss of vehi-
cle control and result in death or serious injury.
●Stop your vehicle in a safe place as soon as possible. Adjust the tire inflation pressure
immediately.
●If the tire pressure warning light comes on even after tire inflation pressure adjust-
ment, it is probable that you have a flat tire. Check the tires. If the tire is flat, change to
the spare tire and have the flat tire repaired by the nearest Lexus dealer.
●Avoid abrupt maneuvering and braking. If the vehicle tires deteriorate, you could lose
control of the steering wheel or the brakes.
■If a blowout or sudden air leakage should occur
The tire pressure warning system may not activate immediately.

526
GX460_OM_OM60Q84U_(U)7-2. Steps to take in an emergency
If a warning message is displayed
Master warning light
The master warning light also comes on
or flashes in order to
indicate that a mes-
sage is currently being displayed on the
instrument cluster.
Multi-information display
Rear height control air suspension
display
If any of the warning lights comes on ag ain after the following actions have been
performed, contact your Lexus dealer.
If a warning is shown on the instrument cluster, stay calm and perform the fol-
lowing actions:
1
2
3

624Alphabetical index
GX460_OM_OM60Q84U_(U)
Alphabetical index
A/C ................................................ 390, 400Air conditioning filter........................487
ABS (Anti-lock Brake System)....... 355 Function ................................................. 355
Warning light ........................................ 518
Active Traction Control .................... 356
Air conditioning filter .......................... 487
Air conditioning system ......... 390, 400 Air conditioning filter........................487
Micro dust and pollen filter .......... 395
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...................................... 59
Antennas (smart access system
with push-button start) ...................... 119
Anti-lock brake system (ABS) ..................................................... 355 Function ..................................................355
Warning light ........................................ 518
Armrest ...................................................... 431
Assist grip .................................................432
Audio input
*
Audio system*
Automatic headlight leveling system ................................... 209
Automatic High Beam ......................... 210
Automatic light control system ...... 206
Automatic transmission.......................198 If the shift lever cannot be shifted from P ................................... 202
S mode....................................................200
AUX port
*
Auxiliary boxes ....................................... 414
AVS ........................................................... 345
Back door ..................................................109
Back-up lights Replacing light bulbs .......................503
Wattage ................................................. 577
Battery .......................................................470 Battery checking ................................ 470
If the vehicle battery is discharged.........................................559
Preparing and checking before winter ..................................... 381
Warning light ........................................ 518
Bluetooth
®*
A
B

628Alphabetical index
GX460_OM_OM60Q84U_(U)
Fuel ............................................................. 570Capacity ................................................ 570
Fuel gauge ................................................ 87
Fuel pump shut off system.............. 517
Information ........................................... 578
Refueling................................................. 225
Type ............................................. 225, 570
Warning light ...................................... 520
Fuel consumption information ........... 96
Fuel filler door ........................................ 225 Refueling................................................. 225
Fuel gauge .................................................. 87
Fuel pump shut off system...................517
Fuses ............................................................491
Garage door opener .......................... 437
Gauges ........................................................ 87
Glass hatch ................................................ 114
Glove box ................................................. 410
Hands-free system (for cellular phone)
*
Head restraints ........................................144
Headlights ............................................... 206 Light switch .......................................... 206
Replacing light bulbs ....................... 498
Wattage .................................................. 577
Headlights cleaner............................... 224
Heaters Automatic air conditioning system .................................... 390, 400
Seat heaters ......................................... 404
Outside rear view mirrors ............ 395 Height control ......................................... 341
Hill-start assist control ....................... 356
Hood ......................................................... 460
Hooks
Cargo hooks ...............................416, 417
Coat hooks ........................................... 432
Retaining hooks (floor mat)............. 26
Horn............................................................. 147
I/M test ..................................................... 456
Identification Engine ..................................................... 570
Vehicle ....................................................569
Ignition switch (engine switch) ......... 193
Ignition switch light .............................. 406
Illuminated entry system ................... 408
Immobilizer system ................................. 77
Indicators .................................................... 82
Initialization Moon roof .............................................. 158
Power windows................................... 155
Inside rear view mirror......................... 149
Instrument panel light control ............ 88
Interior lights .......................................... 406 Switch ...................................................... 407
Wattage ................................................. 577
Jack Vehicle-equipped jack .....................541
Jack handle ............................................. 544
Jam protection function Moon roof .............................................. 158
Power windows................................... 155
G
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629Alphabetical index
GX460_OM_OM60Q84U_(U)
Keyless entrySmart access system with push-button start .................. 102, 109
Wireless remote control ................. 102
Keys............................................................... 98 Battery-saving function ...................... 121
Electronic key .........................................98
If the electronic key does not operate properly............................ 556
If you lose your keys ........................ 620
Key number plate .................................98
Keyless entry .............................. 102, 109
Mechanical key ......................................99
Replacing the battery ...................... 489
Wireless remote control ...................98
KDSS ......................................................... 356 Warning light ........................................ 519
Lane Departure Alert (LDA) .......... 243
Lever Auxiliary catch lever ........................ 460
Hood lock release lever ................ 460
Shift lever ................................................. 198
Turn signal lever .................................204
Wiper lever ............................................. 217
Lexus Enform Safety Connect............72
License plate lights............................... 206 Light switch .......................................... 206 Light
Engine switch light ............................406
Fog light switch ..................................... 215
Headlight switch ................................ 206
Illuminated entry system................ 408
Interior light........................................... 407
Interior light list ....................................406
Personal light ....................................... 407
Replacing light bulbs ....................... 496
Turn signal lever ................................. 204
Vanity lights .......................................... 425
Wattage ................................................. 577
Welcome lighting.............................. 209
Light bulbs Replacing ............................................... 496
Wattage ................................................. 577
Lock steering column........................... 195
Luggage cover ........................................ 418
Maintenance Do-it-yourself maintenance ......... 457
Maintenance data............................. 568
Maintenance requirements ..........450
Resetting the message indicating maintenance is
required ................................................451
Malfunction indicator lamp ................518
Master warning light ........................... 526
K
LM
*: For vehicles with a navigation system or a multimedia system, refer to the “NAVIGATION SYSTEM OWNER’S MANUAL” or“MULTIMEDIA OWNER’S MANUAL”.

630Alphabetical index
GX460_OM_OM60Q84U_(U)
Meter ............................................................ 87Indicators................................................... 82
Instrument panel light control ........ 88
Meters......................................................... 87
Multi-information display ..................90
Warning lights ........................................ 82
Micro dust and pollen filter .............. 395
Mirrors Inside rear view mirror ..................... 149
Outside rear view mirror defoggers .......................................... 395
Outside rear view mirrors ................ 151
Vanity mirrors ......................................425
Moon roof.................................................. 157 Jam protection function ................... 158
Operation ............................................... 157
MP3 disc
*
Multi-information display ..................... 90 Switching the display.............................91
Trip information .......................................91
Multi-terrain Monitor ........................... 317
Multi-terrain Select................................312
Navigation system
*
Odometer ...................................................87
Off-road precautions ......................... 384
Oil Engine oil ............................................... 570
Front differential oil ........................... 573
Rear differential oil ............................ 573
Transfer................................................... 574
Opener Back door................................................. 110
Fuel filler door.......................................227
Hood........................................................460
Outside rear view mirrors ................... 151 Adjusting and folding ......................... 151
Blind Spot Monitor .............................361
Outside rear view mirror defoggers...........................................395
Outside temperature display ..............94
Overheating, Engine .......................... 562
Parking assist sensors (intuitive parking assist)...................249
Parking assist monitor ........................ 268
Parking brake ........................................ 205 Operation..............................................205
Parking brake engaged warning buzzer ...............................528
Personal lights ....................................... 406 Switch ...................................................... 407
Wattage ................................................. 577
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