transmission fluid Lexus GX460 2021 Owner's Manual / LEXUS 2021 GX460 OWNER'S MANUAL (OM60T19U)

GX460_OM_OM60T19U_(U)
1754-1. Before driving
4
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. 531)
■When encountering flooded roads
Do not drive on a road that has flooded after 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.

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

GX460_OM_OM60T19U_(U)
4676-3. 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

518
GX460_OM_OM60T19U_(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.
Low engine oil pressure warning light*1
Indicates that the engine oil pressure is too low
 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.
High coolant temperature warning light (warning buzzer)*1
Indicates that the engine coolant temperature is too high
 Immediately stop the vehicle in a safe place. Handling method
( P. 553)
SRS warning light
Indicates a malfunction in:
• The SRS airbag system;
• The front passenger occupant classification system; or
• The seat belt pretensioner system
 Have the vehicle inspected by your Lexus dealer immediately.

5287-2. Steps to take in an emergency
GX460_OM_OM60T19U_(U)
■Warning messages
The warning messages explained below may differ from the actual messages according
to operation conditions an d vehicle specifications.
■Warning buzzer
In some cases, the buzzer ma y not be heard due to being in a noisy location or audio
sound.
■If “ENGINE OIL LOW”/“Engine Oil Level Low Add or Replace” is shown
The engine oil level is low. Check the level of the engine oil, and add if necessary.
This message may appear if the vehicle is stopped on a slope. Move the vehicle to a level
surface and check to see if the message disappears.
■If “AUTO POWER OFF TO CONSERVE BATTE RY”/“Auto power off to conserve bat-
tery” is shown
Power was turned off due to the automatic power off function. Next time when starting
the engine, increase the engine speed slightly and maintain that level for approximately 5
minutes to recharge the battery.
■If “ENGINE OIL PRES SURE LOW”/“Oil Pressure Low Stop in a Safe Place See
Owner’s Manual” is shown
Indicates abnormal engine oil pressure.
Immediately stop the vehicle in a safe place and contact your Lexus dealer. Continuing to
drive the vehicle may be dangerous.
■If “HIGH TRANSMISSION FLUID TEMPERAT URE”/“High Transmission Fluid Temp
See Owner’s Manual” is shown.
It indicates that the automatic transmission fluid temperature is too high.
Immediately stop the vehicle in a safe place, shift the shift lever to P and wait until the
warning message disappear. If the warning message disappears, you may start the vehi-
cle again. If the warning message does not disappear, contact your Lexus dealer.
■If “Check Transmissi on System” is shown.
The automatic transmission system is malfunctioning.
Have the vehicle inspected by your Lexus dealer.
■If “ACCELERATOR AND BRAKE PEDA LS DEPRESSED SIMULTANEOUSLY”/
“Accelerator and Brake Pedals Pressed Simultaneously” is shown on the multi-informa-
tion display
The accelerator and brake pedal are being depressed simultaneously. ( P. 169)
Release the accelerator pedal and depress the brake pedal.
■If “HEADLIGHT SYSTEM MALFUNCTION VISIT YOUR DEALER”/“Headlight Sys-
tem Malfunction Visit Your Dealer” is displayed
The following systems may be malfunctioning. Have the vehicle inspected by your Lexus
dealer immediately.
●The LED headlight system
●The automatic headlight leveling system
●Automatic High Beam

5577-2. Steps to take in an emergency
GX460_OM_OM60T19U_(U)
7
When trouble arises
WARNING
■When attempting to free a stuck vehicle
If you choose to push the vehicle back and forth to free it, make sure the surrounding
area is clear, to avoid striking other vehi cles, objects or people. The vehicle may also
lunge forward or lunge back suddenly as it becomes free. Use extreme caution.
■When shifting the shift lever
Be careful not to shift the shift lever with the accelerator pedal depressed.
This may lead to unexpected rapid acceleration of the vehicle that may cause an acci-
dent and result in death or serious injury.
NOTICE
■To avoid damaging the transmission and other components
●Avoid spinning the wheels and depressing the accelerator pedal more than neces-
sary.
●If the vehicle remains stuck even after th ese procedures are performed, the vehicle
may require towing to be freed.
●When a warning message for the automatic transmission fluid temperature is dis-
played while attempting to free a stuck vehicle, immediately remove your foot from
the accelerator pedal and wait until the warning message disappears. Otherwise, the
transmission may become damaged. ( P. 528)

566
GX460_OM_OM60T19U_(U)8-1. Specifications
*: The fluid capacity is a reference quantity
. If replacement is necessary, contact your
Lexus dealer.
*: Your Lexus vehicle is filled with “Toyota Ge nuine Transfer Gear oil LF” at the factory.
Use Lexus approved “Toyota Genuine Transf er Gear oil LF” or an equivalent of
matching quality to satisfy the above specification. Please contact your Lexus dealer
for further details.
Automatic transmission
Fluid
capacity
*
With air-cooled type
ATF cooler11.8 qt. (11.2 L, 9.9 Imp.qt.)
Without air-cooled
type ATF cooler11.6qt. (11.0 L, 9.7 Imp.qt.)
Fluid typeToyota Genuine ATF WS
NOTICE
■Transmission fluid type
Using transmission fluid other than the abov e type may cause abnormal noise or vibra-
tion, or damage the transmission of your vehicle.
Transfer
Oil capacity1.5 qt. (1.4 L, 1.2 Imp.qt.)
Oil type*Toyota Genuine Transfer Gear oil LF or equivalent
Recommended oil viscositySAE 75W

568
GX460_OM_OM60T19U_(U)8-1. Specifications
18-inch tires
19-inch tires
Steering
Free playLess than 1.2 in. (30 mm)
Power steering fluid typeAutomatic transmission fluid DEXRON® II or III
Tires and wheels
Tire sizeP265/60R18 109H
Tire inflation pressure
(Recommended cold tire
inflation pressure)
Front tire
32 psi (220 kPa, 2.2 kgf/cm2 or bar)
Rear tire
32 psi (220 kPa, 2.2 kgf/cm2 or bar)
Spare tire
32 psi (220 kPa, 2.2 kgf/cm2 or bar)
Wheel size18
 7 1/2J
Wheel nut torque76 ft•lbf (103 N•m, 10.5 kgf•m)
Tire size265/55R19 109V
Tire inflation pressure
(Recommended cold tire
inflation pressure)
Front tire
32 psi (220 kPa, 2.2 kgf/cm2 or bar)
Rear tire
32 psi (220 kPa, 2.2 kgf/cm2 or bar)
Spare tire
32 psi (220 kPa, 2.2 kgf/cm2 or bar)
Wheel size19  7 1/2J
Wheel nut torque76 ft•lbf (103 N•m, 10.5 kgf•m)

617Alphabetical index
GX460_OM_OM60T19U_(U)
Emergency flashers .............................508
EngineAccessory mode................................. 201
Brake Override System .................. 169
Compartment..................................... 459
Drive-Start Control............................ 170
Hood ....................................................... 458
How to start the engine ................. 200
Identification number .......................562
If the engine will not start............... 545
Ignition switch (engine switch)... 200
Overheating ........................................ 553
Engine compartment cover ............. 460
Engine coolant....................................... 463 Capacity ................................................ 564
Checking................................................463
Preparing and checking before winter .................................... 374
Engine immobilizer system .................. 77
Engine oil ...................................................461 Capacity .................................................562
Checking................................................. 461
Preparing and checking before winter .................................... 374
Warning message .............................529
Engine oil maintenance data ........... 462
Engine switch .........................................200
Engine switch light ...............................400
Event data recorder (EDR) ...................10 Flat tire ........................................................ 531
Floor mats....................................................26
Fluid
Automatic transmission ..................566
Brake........................................................ 567
Steering ................................................. 568
Washer ..................................................... 471
Fog lights.................................................... 221 Replacing light bulbs ...................... 505
Switch ........................................................ 221
Four-wheel drive system....................344
Front passenger occupant classification system ............................ 47
Front passenger’s seat belt reminder light ..................................... 520
Front seats ................................................. 132 Adjustment.............................................. 132
Cleaning................................................. 445
Correct driving posture .................... 28
Driving position memory.................145
Head restraints .................................... 150
Seat heaters ..........................................398
Seat position memory .......................145
Front turn signal lights ............................211 Replacing light bulbs ........................ 501
Turn signal lever .....................................211
Wattage .................................................569F