2019 Lexus GX460 phone

478
GX460_OM_OM60Q84U_(U)6-3. Do-it-yourself maintenance
■If the tread on snow tires wears down below 0.16 in. (4 mm)
The effectiveness of the tire
s as snow tires is lost.
■Situations in which the tire pressure warning system may not operate properly
●In the following cases, the tire pressure warning system may not operate properly.
• If non-genuine Lexus wheels are used.
• A tire has been replaced with a tire that is not an OE (Original Equipment) tire.
• A tire has been replaced with a tire that is not of the specified size.
• Tire chains etc. are equipped.
• An auxiliary-supported run-flat tire is equipped.
• If a window tint that affects th e radio wave signals is installed.
• If there is a lot of snow or ice on the vehi cle, particularly around the wheels or wheel
housings.
• If the tire inflation pressure is extr emely higher than the specified level.
• If the spare tire is in a location subj ect to poor radio wave signal reception.
• If a large metallic object which can interfer e with signal reception is put near the
spare tire.
• If tires not equipped with the tire pressure warning valves and transmitters are used.
• If the ID code on the tire pressure warning valves and transmitters is not registered
in the tire pressure warning computer.
●Performance may be affected in the following situations.
• Near a TV tower, electric power plant, gas station, radio station, large display, air-
port or other facility that generates st rong radio waves or electrical noise
• When carrying a portable radio, cellular phone, cordless phone or other wireless
communication device
●When the vehicle is parked, the time taken for the warning to start or go off could be
extended.
●When tire inflation pressure declines rapidly for example when a tire has burst, the
warning may not function.

619
GX460_OM_OM60Q84U_(U)
Index
What to do if... (Troubleshooting) ............................... 620
Alphabetical index................................. 624
For vehicles with a navigation system or a multimedia system, refer
to the “NAVIGATION SYSTEM OWNER’S MANUAL” or
“MULTIMEDIA OWNER’S MANUAL” for information regarding
the equipment listed below.
• Navigation system
• Audio/video system
• Rear seat entertainment system
• Hands-free system (for cellular phone)
• Lexus Enform

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
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633Alphabetical index
GX460_OM_OM60Q84U_(U)
Cruise control switch........... 229, 232
“DAC” switch...................................... 353
Door lock switches ............................ 109
Driving position memory switches ................................................ 139
Emergency flashers switch .......... 508
Engine switch ........................................ 193
Fog light switch .................................... 215
Four-wheel drive control switch....................................................346
Headlight cleaner switch ............... 224
Height control button ....................... 341
LDA switch ........................................... 243
Light switches ..................................... 206
Moon roof switches........................... 157
Multi-terrain Monitor switch ..........317
Multi-terrain Select switch...............312
“ODO TRIP” button ........................... 88
Outside rear view mirror switches .................................................. 151
Parking assist........................................249
PCS off switch ..................................... 373
Power door lock switch .................. 109
Power window switch ...................... 154
Rear window wiper and washer switch................................... 222
Rear window and outside rear view mirror
defoggers switch ........................... 395
Seat heater switches........................ 404
Talk switch
*
Tilt and telescopic steering control switch .....................................147 Vehicle-to-vehicle distance
button ................................................... 234
VSC OFF switch ............................... 357
Window lock switch ..........................154
Windshield wipers and washer switch .................................... 217
Tachometer ................................................87
Tail lights .................................................. 206 Light switch........................................... 206
Talk switch
*
Telephone switch
*
Theft deterrent system Alarm ...........................................................79
Engine immobilizer system .............. 77
Tire inflation pressure........................... 481 Maintenance data.............................. 576
Tires ............................................................ 474 Chains ...................................................... 381
Checking ............................................... 474
If you have a flat tire ..........................540
Inflation pressure..................................481
Information............................................. 581
Replacing ...............................................540
Rotating tires ........................................ 474
Size ........................................................... 576
Snow tires ..............................................383
Spare tire................................................540
Tire pressure warning system .................................................. 475
T
*: For vehicles with a navigation system or a multimedia system, refer to the “NAVIGATION SYSTEM OWNER’S MANUAL” or“MULTIMEDIA OWNER’S MANUAL”.