Page 168 of 636

168
GX460_OM_OM60Q84U_(U)4-1. Before driving
NOTICE
■When driving the vehicle
●Do not depress the accelerator and brake pedals at the same time during driving, as
this may restrain
the engine output.
●Do not use the accelerator pedal or depre ss the accelerator and brake pedals at the
same time to hold the vehicle on a hill.
■When parking the vehicle
Always set the parking brake, and shift the sh ift lever to P. Failure to do so may cause
the vehicle to move or the vehicle may acce lerate suddenly if the accelerator pedal is
accidentally depressed.
■Avoiding damage to vehicle parts
●Do not turn the steering wheel fully in either direction and hold it there for an
extended period of time.
Doing so may damage the power steering pump.
●When driving over bumps in the road, drive as slowly as possible to avoid damaging
the wheels, underside of the vehicle, etc.
■If you get a flat tire while driving
A flat or damaged tire may cause the following situations . Hold the steering wheel
firmly and gradually depress the brake pedal to slow down the vehicle.
●It may be difficult to control your vehicle.
●The vehicle will make abnormal sounds or vibrations.
●The vehicle will lean abnormally.
Information on what to do in case of a flat tire. ( P. 540)
■When encountering flooded roads
Do not drive on a road that has flooded af ter heavy rain etc. Doing so may cause the
following serious damage to the vehicle:
●Engine stalling
●Short in electrical components
●Engine damage caused by water immersion
In the event that you drive on a flooded road and the vehicle is flooded, be sure to have
your Lexus dealer check the following:
●Brake function
●Changes in quantity and quality of oil and fluid used for the engine, transmission,
transfer, differentials, etc.
●Lubricant condition for the propeller shaft, bearings and suspension joints (where
possible), and the function of all joints, bearings, etc.
Page 469 of 636
GX460_OM_OM60Q84U_(U)
4696-3. Do-it-yourself maintenance
6
Maintenance and care
■Fluid level
The fluid level should be within the appropriate range.Full (when cold)
Add fluid (when cold)
Full (when hot)
Add fluid (when hot)
Hot: The vehicles has been driven around 50 mph (80 km/h) for 20 min- utes, or slightly longer in frigid temperatures.
(Fluid temperature, 140 F - 175 F [60 C - 80 C]).
Cold: The engine has not been run for about 5 hours. (Room temperature, 50 F - 85 F [10 C - 30 C]).
■Checking the fluid level
Make sure to check the fluid type and prepare the necessary items.
Clean all dirt off the reservoir.
Remove the cap by turnin g it counterclockwise.
Wipe the dipstick clean.
Reinstall the cap and remove it again.
Check the fluid level.
Power steering fluid
1
2
3
4
Fluid typeAutomatic transmission fluid DEXRON® II or III
ItemsRag or paper, clean funnel (only for adding fluid)
1
2
3
4
5
Page 531 of 636

5317-2. Steps to take in an emergency
GX460_OM_OM60Q84U_(U)
7
When trouble arises
Indicates that the automatic transmission fluid tempera-
ture is too high A buzzer also sounds.
Immediately stop the vehicle in a safe place, shift the
shift lever to P and wait until the warning message
and light go off. If the warning message and light go
off, you may start the vehicle again.
If the warning message and light do not go off, con-
tact your Lexus dealer.
Indicates a malfunction in the automatic transmission
system A buzzer also sounds.
Have the vehicle inspected by your Lexus dealer.
Indicates that the moon roof is not fully closed (with the
engine switch off, and the driver’s door open)
A buzzer also sounds.
Close the moon roof.
Indicates that engine oil level is low
A buzzer also sounds.
Check the level of engine oil, and add if necessary.
Indicates a malfunction in:
• The LED headlight system;
• The automatic headlight leveling system; or
• The Automatic High Beam system (if equipped)
A buzzer also sounds.
Have the vehicle inspected by your Lexus dealer.
Indicates that the washer fluid level is low
Add washer fluid.
Warning messageDetails/Actions
(Flashes)
Page 627 of 636

627Alphabetical index
GX460_OM_OM60Q84U_(U)
Emergency flashers .............................508
EngineAccessory mode................................. 194
Compartment....................................... 461
Hood ....................................................... 460
How to start the engine ................... 193
Identification number ...................... 570
If the engine will not start............... 554
Ignition switch (engine switch)..... 193
Overheating .........................................562
Engine compartment cover ............. 462
Engine coolant....................................... 465 Capacity ................................................. 572
Checking............................................... 465
Preparing and checking before winter ..................................... 381
Engine immobilizer system .................. 77
Engine oil ................................................. 463 Capacity ................................................ 570
Checking................................................463
Preparing and checking before winter ..................................... 381
Engine switch ...........................................193
Engine switch light ............................... 406
Event data recorder (EDR) ...................10 Flat tire ...................................................... 540
Floor mats....................................................26
Fluid
Automatic transmission .................. 574
Brake........................................................ 575
Steering .................................................. 576
Washer ................................................... 473
Fog lights.................................................... 215 Switch ........................................................ 215
Four-wheel drive system................... 346
Front passenger occupant classification system ........................... 48
Front passenger’s seat belt reminder light ..................................... 520
Front seats ................................................. 126 Adjustment.............................................. 126
Cleaning................................................. 447
Correct driving posture .................... 28
Driving position memory.................139
Head restraints ..................................... 144
Seat heaters .......................................... 404
Seat position memory .......................139
Front turn signal lights ........................ 204 Replacing light bulbs ...................... 500
Turn signal lever ................................. 204
Wattage ................................................. 577F