Page 5 of 628

5
1
8 7
6
5
4
3
2
GX460_OM_OM60T19U_(U)
9
6-1. Maintenance and care Cleaning and protecting the vehicle exterior ................ 442
Cleaning and protecting the vehicle interior.................. 445
6-2. Maintenance Maintenance requirements ............................ 448
General mainte nance................451
Emission inspection and maintenance (I/M)
programs.................................... 454
6-3. Do-it-yourself maintenance Do-it-yourself service precautions................................ 455
Hood ............................................... 458
Engine compartment ............... 459
Tires ..................................................472
Tire inflation pressure .............. 484
Wheels ...........................................488
Air conditioning filter ............... 490
Electronic key battery.............. 492
Checking and replacing fuses.............................................. 494
Headlight aim .............................. 497
Light bulbs .................................... 499 7-1. Essential information
Emergency flashers ..................508
If your vehicle has to be stopped in
an emergency .......................... 509
If the vehicle is trapped in rising water ................................. 510
7-2. Steps to take in an emergency If your vehicle needs to be towed .................................. 511
If you think something is wrong.............................................516
Fuel pump shut off system........ 517
If a warning light turns on or a warning buzzer
sounds .......................................... 518
If a warning message is displayed .................................... 527
If you have a flat tire ....................531
If the engine will not start ........ 545
If the electronic key does not operate properly ............. 547
If the vehicle battery is discharged.................................550
If your vehicle overheats......... 553
If the vehicle becomes stuck ............................................. 556
6Maintenance and care7When trouble arises
Page 15 of 628

15Pictorial index
GX460_OM_OM60T19U_(U)
Windshield wipers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 222
Precautions against winter season . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 374
To prevent freezing (windshield wiper de-icer
*) . . . . . . . . . . . . . . . . . . . . . . . P. 389
Precautions against car wash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 443
Fuel filler door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 229
Refueling method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 229
Fuel type/fuel tank capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 562
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 472
Tire size/inflation pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 568
Winter tires/tire chain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 37 4
Checking/rotation/tire pressure warning system . . . . . . . . . . . . . . . . . . . . . . P. 472
Coping with flat tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 531
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 458
Opening. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 458
Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 562
Coping with overheat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 553
Warning lights/warning messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 114, 520
Camera*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 278, 292
Headlights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 213
Parking lights/daytime running lights. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 213
Fog lights
* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 221
Turn signal lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 211
Stop/tail lights
Hill-start assist control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 356
Downhill assist control system*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 352
License plate lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 213
Back-up lights
Shifting the shift lever to R . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 206
Side marker lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 213
4
5
6
7
8
Light bulbs of the exte rior lights for driving
(Replacing method: P. 499, Watts: P. 569)
*: If equipped
9
10
11
12
13
14
15
16
Page 211 of 628
211
GX460_OM_OM60T19U_(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 441 of 628

441
GX460_OM_OM60T19U_(U)
6Maintenance and care
6-1. Maintenance and careCleaning and protecting the vehicle exterior ................ 442
Cleaning and protecting the vehicle interior.................. 445
6-2. Maintenance Maintenance requirements ............................448
General maintenance............... 451
Emission inspection and maintenance (I/M)
programs .................................... 454
6-3. Do-it-yourself maintenance Do-it-yourself service precautions................................455
Hood ...............................................458
Engine compartment ............... 459
Tires ................................................. 472
Tire inflation pressure...............484
Wheels .......................................... 488
Air conditioning filter ...............490
Electronic key battery .............. 492
Checking and replacing fuses .............................................. 494
Headlight aim .............................. 497
Light bulbs..................................... 499
Page 456 of 628
456
GX460_OM_OM60T19U_(U)6-3. Do-it-yourself maintenance
Headlight aim
(
P. 497)• Phillips-head screwdriver
Light bulbs
( P. 499)
• Bulb with same number and wattage rating as original
• Phillips-head screwdriver•Flathead sc rewdriver
•Wrench
Power steering fluid
level (P. 467)• Automatic transmission fluid DEXRON® II or III
• Rag or paper towel•Clean funnel
Radiator and con-
denser ( P. 465)
Tire inflation pres-
sure (P. 484)• Tire pressure gauge• Compressed air source
Washer fluid
( P. 471)• Water or washer fluid containing antifreeze (for winter use)
• Funnel (used only for adding water or washer fluid)
ItemsParts and tools
Page 496 of 628
496
GX460_OM_OM60T19U_(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. 499)
●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 499 of 628
499
GX460_OM_OM60T19U_(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. 569)
■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 501 of 628
GX460_OM_OM60T19U_(U)
5016-3. 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