Page 5 of 620

5
1
8 7
6
5
4
3
2
GX460_OM_OM60R27U_(U)
9
6-1. Maintenance and care Cleaning and protecting the vehicle exterior ................ 434
Cleaning and protecting the vehicle interior.................. 437
6-2. Maintenance Maintenance requirements ............................ 440
General mainte nance.............. 443
Emission inspection and maintenance (I/M)
programs.................................... 446
6-3. Do-it-yourself maintenance Do-it-yourself service precautions................................ 447
Hood ............................................... 450
Engine compartment .................451
Tires ................................................. 464
Tire inflation pressure .............. 476
Wheels ...........................................480
Air conditioning filter ............... 482
Electronic key battery.............. 484
Checking and replacing fuses.............................................. 486
Headlight aim .............................. 489
Light bulbs ......................................491 7-1. Essential information
Emergency flashers ..................500
If your vehicle has to be stopped in
an emergency ........................... 501
If the vehicle is trapped in rising water ................................ 502
7-2. Steps to take in an emergency If your vehicle needs to be towed ............................... 503
If you think something is wrong........................................... 509
Fuel pump shut off system....... 510
If a warning light turns on or a warning buzzer
sounds ............................................ 511
If a warning message is displayed .................................... 520
If you have a flat tire .................. 524
If the engine will not start ........538
If the electronic key does not operate properly ............. 540
If the vehicle battery is discharged................................. 543
If your vehicle overheats......... 546
If the vehicle becomes stuck ............................................. 549
6Maintenance and care7When trouble arises
Page 15 of 620

15Pictorial index
GX460_OM_OM60R27U_(U)
Windshield wipers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 218
Precautions against winter season . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 367
To prevent freezing (windshield wiper de-icer
*) . . . . . . . . . . . . . . . . . . . . . . . . P. 381
Precautions against car wash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 435
Fuel filler door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 225
Refueling method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 225
Fuel type/fuel tank capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 554
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 464
Tire size/inflation pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 560
Winter tires/tire chain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 36 7
Checking/rotation/tire pressure warning system . . . . . . . . . . . . . . . . . . . . . . P. 464
Coping with flat tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 524
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 450
Opening. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 450
Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 554
Coping with overheat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 546
Warning lights/warning messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 110, 513
Camera*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 274, 288
Headlights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 209
Parking lights/daytime running lights. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 209
Fog lights
* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 217
Turn signal lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 2 07
Stop/tail lights
Hill-start assist control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 352
Downhill assist control system*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 348
License plate lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 209
Back-up lights
Shifting the shift lever to R . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 202
Side marker lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 209
4
5
6
7
8
Light bulbs of the exte rior lights for driving
(Replacing method: P. 491, Watts: P. 561)
*: If equipped
9
10
11
12
13
14
15
16
Page 207 of 620
207
GX460_OM_OM60R27U_(U)4-2. Driving procedures
4
Driving
Turn signal lever
The turn signal lever can be used to show
the following intentions of the driver:
Right turn
Lane change to the right (move the
lever partway and then release it)
Lane change to the left (move the
lever partway and then release it)
Left turn
■Turn signals can be operated when
The engine switch is in IGNITION ON mode.
■If the indicator flashes faster than usual
Check that a light bulb in the front or rear turn signal lights has not burned out.
■If the turn signals stop flashing befo re a lane change has been performed
Operate the lever again.
Operating instructions
1
2
3
4
Page 433 of 620

433
GX460_OM_OM60R27U_(U)
6Maintenance and care
6-1. Maintenance and careCleaning and protecting the vehicle exterior ................ 434
Cleaning and protecting the vehicle interior.................. 437
6-2. Maintenance Maintenance requirements ............................ 440
General maintenance.............. 443
Emission inspection and maintenance (I/M)
programs .................................... 446
6-3. Do-it-yourself maintenance Do-it-yourself service precautions................................ 447
Hood ...............................................450
Engine compartment ................ 451
Tires ................................................. 464
Tire inflation pressure............... 476
Wheels .......................................... 480
Air conditioning filter ............... 482
Electronic key battery ..............484
Checking and replacing fuses ..............................................486
Headlight aim ..............................489
Light bulbs...................................... 491
Page 448 of 620
448
GX460_OM_OM60R27U_(U)6-3. Do-it-yourself maintenance
Headlight aim
(
P. 489)• Phillips-head screwdriver
Light bulbs
( P. 491)
• Bulb with same number and wattage rating as original
• Phillips-head screwdriver•Flathead sc rewdriver
•Wrench
Power steering fluid
level (P. 459)• Automatic transmission fluid DEXRON® II or III
• Rag or paper towel•Clean funnel
Radiator and con-
denser ( P. 457)
Tire inflation pres-
sure (P. 476)• Tire pressure gauge• Compressed air source
Washer fluid
( P. 463)• Water or washer fluid containing antifreeze (for winter use)
• Funnel (used only for adding water or washer fluid)
ItemsParts and tools
Page 488 of 620
488
GX460_OM_OM60R27U_(U)6-3. Do-it-yourself maintenance
■After a fuse is replaced
●If the lights do not turn on even after the fuse has been replaced, a bulb may need
replacement. (
P. 491)
●If the replaced fuse blows again, have th e vehicle inspected by your Lexus dealer.
■If there is an overload in a circuit
The fuses are designed to blow, protecting the wiring harness from damage.
WARNING
■To prevent system breakdowns and vehicle fire
Observe the following precautions.
Failure to do so may cause damage to th e vehicle, and possibly a fire or injury.
●Never use a fuse of a higher amperage rati ng than indicated, or use any other object
in place of a fuse.
●Always use a genuine Lexus fuse or equivalent.
Never replace a fuse with a wi re, even as a temporary fix.
●Do not modify the fuses or the fuse boxes.
NOTICE
■Before replacing fuses
Have the cause of electrical overload dete rmined and repaired by your Lexus dealer,
as soon as possible.
Page 491 of 620
491
GX460_OM_OM60R27U_(U)6-3. Do-it-yourself maintenance
6
Maintenance and care
Light bulbs
Check the wattage and color of the light bulb being replaced. (
P. 561)
■Front
Front turn signal light
You may replace the following bulbs your self. The difficulty level of replace-
ment varies depending on the bulb. If necessary bulb replacement seems diffi-
cult to perform, contact your Lexus dealer.
For more information about replacing other light bulbs, contact your Lexus
dealer.
Preparing for light bulb replacement
Bulb locations
1
Page 493 of 620
GX460_OM_OM60R27U_(U)
4936-3. Do-it-yourself maintenance
6
Maintenance and care
■Front turn signal lightsTurn the bulb base counterclock-
wise.
Remove the light bulb.
When installing, reverse the steps listed.
Replacing light bulbs
1
2
3