power steering fluid Lexus GX460 2010 Scheduled Maintenance Guide / LEXUS 2010 GX460 OWNERS MANUAL (OM60E69U)

178
2-1. Driving procedures
GX460_U.S.A. (OM60E69U)
NOTICE
■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 damag-
ing 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. 7 2 0 )
■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 an d 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.

597
4-2. Maintenance
4
Maintenance and care
GX460_U.S.A. (OM60E69U)
General maintenance
Engine compartment
ItemsCheck points
BatteryCheck the indicator and 
connections. ( P. 622)
Brake fluidIs the brake fluid at the correct level? 
(  P. 6 1 8 )
Engine coolantIs the engine coolant at the correct
level? ( P. 6 1 5 )
Engine oilIs the engine oil at the correct level? 
( P. 6 1 0 )
Exhaust systemThere should not be any fumes or
strange sounds.
Power steering fluidIs the power steering fluid at the 
correct level? ( P. 6 2 0 )
Radiator/condenser
The radiator and condenser should
be free from foreign objects. 
( P. 6 1 7 )
Wa s h e r f l u i dIs there sufficient washer fluid? 
(  P. 6 2 6 )
Listed below are the general maintenance items that should be performed
at the intervals specified in the “Warranty and Service Guide” or “Owner’s
Manual Supplement”. It is recommend ed that any problem you notice
should be brought to the attention of your Lexus dealer or qualified service
shop for advice.

604
4-3. Do-it-yourself maintenance
GX460_U.S.A. (OM60E69U)
ItemsPa r t s a n d t o o l s
Fuses( P. 6 4 5 )• Fuse with same amperage rating as
original
Headlight aim ( P. 6 5 8 )• Phillips-head screwdriver
Light bulbs( P. 6 6 0 )
• Bulb with same number and watt-
age rating as original
• Phillips-head screwdriver
•Flathead screwdriver
•Wrench
Power steering fluid level 
( P. 6 2 0 )
• Automatic transmission fluid
DEXRON® II or III
•Rag or paper towel
• Clean funnel
Radiator and condenser ( P. 6 1 7 )
Tire inflation pressure ( P. 6 3 4 )• Tire pressure gauge
• Compressed air source
Wa s h e r f l u i d ( P. 6 2 6 )
• Water washer fluid containing anti-
freeze (for winter use)
• Funnel (used only for adding water or washer fluid)

608
4-3. Do-it-yourself maintenance
GX460_U.S.A. (OM60E69U)
Engine compartment
Engine coolant reservoir
( P. 615)
Engine oil level dipstick 
( P. 610)
Engine oil filler cap 
( P. 611)
Brake fluid reservoir 
( P. 6 1 8 )Fuse box ( P. 645)
Battery ( P. 622)
Radiator ( P. 617)
Condenser ( P. 617)
Electric cooling fan
Washer fluid tank ( P. 6 2 6 )
Power steering fluid reservoir 
( P. 6 2 0 )

620
4-3. Do-it-yourself maintenance
GX460_U.S.A. (OM60E69U)
Power steering fluid■ 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
minutes, or slightly longer in frigid temperatures. (Fluid temper-
ature, 140 F - 175 F [60 C - 80 C]).
Cold: The engine has not been ru n for about 5 hours. (Room tempera-
ture, 50 F - 85 F [10 C - 30 C]).

760
6-1. Specifications
GX460_U.S.A. (OM60E69U)
Chassis lubrication
Steering
Tires and wheels
Propeller shafts
Spiders
Slide yokeLithium base chassis grease, NLGI No.2
Molybdenum-disulfide lithium base chassis
grease, NLGI No.2 or lithium base multipur-
pose grease, NLGI No.2
Free playLess than 1.18 in. (30 mm)
Power steering fluid typeAutomatic transmission fluid DEXRON® II
or III
Ti r e s i z eP265/60R18 109H
Tire inflation pressure
(Recommended cold tire inflation
pressure)
Driving under normal conditions 
Front: 
32 psi (220 kPa, 2.2 kgf/cm
2 or bar)
Rear: 
32 psi (220 kPa, 2.2 kgf/cm2 or bar)
Spare: 
32 psi (220 kPa, 2.2 kgf/cm2 or bar)
Wheel size18  7 1 /2 J
Wheel nut torque83 ft•lbf (112 N•m, 11.5 kgf•m)

813
Alphabetical index
GX460_U.S.A. (OM60E69U)
EngineAccessory mode ................................. 179
Compartment .................................... 608
Engine switch ........................................ 179
Hood ....................................................... 607
How to start the engine.................... 179
Identification number......................... 751
If the engine will not start ................734
Ignition switch........................................ 179
Overheating..........................................744
Engine compartment cover............. 609
Engine coolant Capacity................................................. 755
Checking .................................................615
Preparing and checking 
before winter ...................................... 361
Engine coolant temperature 
gauge ....................................................... 195
Engine immobilizer system ..................114
Engine oil Capacity................................................. 753
Checking .................................................610
Preparing and checking 
before winter ...................................... 361
Engine oil maintenance data ............. 612
Engine switch ........................................... 179
Engine switch light .................................. 511
Event data recorder............................ 683
Floor mats................................................ 556
Fluid Brake .........................................................618
Power steering ................................... 620
Washer ................................................... 626 Fog lights
Replacing light bulbs ....................... 664
Switch....................................................... 233
Wattage ....................................................761
Footwell light .............................................511
Four-wheel drive system .....................317
Front passenger occupant 
classification system .......................... 140
Front passenger’s seat belt 
reminder light......................................690
Front seats Adjustment ............................................... 64
Driving position memory .................. 79
Front side marker light Replacing light bulbs ....................... 665
Wattage ....................................................761
Front turn signal lights Replacing light bulbs ....................... 666
Switch.........................................................192
Wattage ....................................................761
Fuel Capacity ................................................. 752
Fuel gauge.............................................. 195
Fuel pump shut off system............ 682
Gas station information ..................824
Information ............................................ 762
Refueling.................................................. 109
Fuel door ................................................... 109
Fuel filler door ......................................... 109
Fuel pump shut off system .................682
Fuses .......................................................... 645
F

816
Alphabetical index
GX460_U.S.A. (OM60E69U)
Parking assist sensors .........................259
Parking brake .......................................... 193
Parking lightsReplacing light bulbs........................665
Switch ...................................................... 220
Wattage.................................................... 761
PCS ........................................................... 338
Personal lights Personal lights ........................................ 511
Switch ........................................................513
Wattage.................................................... 761
Power steering Fluid ..........................................................620
Power outlet.....................535, 537, 542
Power windows ........................................101
Pre-Collision System ......................... 338
Radar cruise control ............................ 246
Radiator ......................................................617
Radio ......................................................... 408
RDS (Radio Date System) ................. 410
Rear height control 
air suspension ...................................... 310
Rear seat Adjustment............................................... 68
Folding down the second 
seatbacks ....................................... 70, 71
Folding down the third seats ...........73
Rear side marker lights Replacing light bulbs........................ 667
Wattage.................................................... 761
Rear step bumper....................................55
Rear turn signal lights Replacing light bulbs........................ 667
Wattage.................................................... 761 Rear view mirror
Compass ............................................... 575
Rear view monitor system .................274
Rear window defogger ...................... 404
Rear window wiper and washer ..... 239
Replacing Electronic key battery ......................642
Fuses ........................................................ 645
Light bulbs ............................................ 660
Tires...........................................................720
Reporting safety defects for 
U.S. owners..........................................804
Scuff lighting .............................................. 511
Seat belts Adjusting the seat belt ........................87
Automatic Locking Retractor ........ 88
Child restraint system 
installation ............................................ 152
Cleaning and maintaining 
the seat belts .................................... 593
Emergency Locking 
Retractor ............................................... 88
How to wear your seat belt ............ 86
How your child should wear 
the seat belt.......................................... 89
Pre-collision seat belts....................... 88
Pregnant women, 
proper seat belt use ........................ 89
Reminder light..................................... 690
Seat belt extenders.............................. 90
Seat belt pretensioners ....................... 91
Seat heaters ............................................. 551
Seat position memory............................ 79
Seat ventilator ......................................... 551
Seating capacity.................................... 359P
R
S

819
Alphabetical index
GX460_U.S.A. (OM60E69U)
Warning buzzersBrake system ....................................... 705
Open door .............................. 690, 703
Open glass hatch reminder......... 704
Seat belt reminder ............................690
Warning lights Anti-lock brake system 
(ABS) .................................................. 688
Brake system .......................................686
Charging system ............................... 687
Kinetic dynamic suspension 
system..................................................689
Low fuel level.......................................690
Malfunction indicator lamp .......... 687
Master warning light ..........................691
Open door ...........................................690
PCS ......................................................... 688
Seat belt reminder light ..................690
Slip indicator light ............................. 688
SRS airbags ......................................... 688
Tire pressure warning light.............691
Warning messages Automatic transmission fluid 
temperature ...................................... 700
Automatic transmission  system.................................................. 700
Brake system ....................................... 705
Dynamic radar cruise control 
system...................................... 702, 707
Engine oil maintenance.................. 705
Engine oil pressure........................... 699
Intuitive parking assist ....................... 701
Low washer level............................... 705
Open door ........................................... 703
Open glass hatch .............................. 704 Open moon roof ...............................704
Pre-collision system............... 701, 706
Rear height control air suspension

system ................................................... 701
Smart access system with push 
button start ........................................ 709
Steering lock system ....................... 700
Warning reflector holder ................. 558
Washer Checking ...............................................626
Preparing and checking 
before winter ..................................... 361
Switch.......................................................235
Washing and waxing .......................... 588
Weight Cargo capacity .................................. 353
Load limits ............................................ 359
Weight.................................................... 750
Wheels ......................................................638
Wide view front & side monitor...... 279
Window glasses ......................................101
Window lock switch ...............................101
Windows Power windows ..................................... 101
Rear window defogger.................. 404
Washer ...................................................235
Windshield wiper de-icer..................405
Windshield wipers................................ 235
Winter driving tips ................................. 361
Wireless remote control key Locking/Unlocking .............................48
Replacing the battery.......................642
Wireless remote control key ..........48
WMA disc ............................................... 424W
*: Refer to the “Navigatio n System Owner’s Manual”.