engine Lexus GX460 2013 Specifications /

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4-1. Maintenance and care
GX460_OM_OM60J63U_(U)
CAUTION
■When washing the vehicle
Do not apply water to the inside of the engine compartment. Doing so may cause
the electrical components etc. to catch fire.
■When cleaning the windshield (vehicles with rain-sensing windshield wiper)
●When the upper part of the windshield where the raindrop sensor is located is
touched by hand
●When a wet rag or similar is held close to the raindrop sensor
●If something bumps against the windshield
●If you directly touch the raindrop sensor body or if something bumps into the
raindrop sensor
■Precautions regarding the exhaust pipe
Exhaust gasses cause the exhaus t pipe to become quite hot.
When washing the vehicle, be careful not to touch the pipe until it has cooled suffi-
ciently, as touching a hot exhaust pipe can cause burns.
OFF

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4-2. Maintenance
4
Maintenance and care
GX460_OM_OM60J63U_(U)
■Repair and replacement
It is recommended that genuine Lexus parts be used for repair to ensure perfor-
mance of each system. If non-Lexus parts are used in replacement or if a repair
shop other than a Lexus dealer performs repairs, confirm the warranty coverage.
■Reset the maintenance data (U.S.A. only)
After the required maintenance is performed according to the maintenance sched-
ule, please reset the maintenance data.
To reset the data, follow the procedures described below:Press the Menu switch ( P. 216) to change the multi-information display
to blank.
Turn the “ENGINE START STOP” switch off.
While pressing the ODO/TRIP button ( P. 1 9 9 ) , t u r n t h e “ E N G I N E
START STOP” switch to IGNITION ON mode.
Continue to press and hold the butto n for more than 7 seconds after the
“ENGINE START STOP” switch is turned to IGNITION ON mode.
STEP1
STEP2
STEP3
STEP4
The message shown in the illustration will
appear on the display. After 5 seconds, the
system reset will be completed.

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4-2. Maintenance
GX460_OM_OM60J63U_(U)
■Allow inspection and repairs to be performed by a Lexus dealer
●Lexus technicians are well-trained speciali sts and are kept up to date with the
latest service information. They are well informed about the operation of all sys-
tems on your vehicle.
●Keep a copy of the repair order. It proves that the maintenance that has been
performed is under warranty coverage. If any problem should arise while your
vehicle is under warranty, your Lexus de aler will promptly take care of it.
CAUTION
■If your vehicle is not properly maintained
Improper maintenance could result in se rious damage to the vehicle and possible
serious injury or death.
■Handling of the battery
●Engine exhaust, some of its constituents, and a wide variety of automobile com-
ponents contain or emit chemicals known to the State of California to cause can-
cer and birth defects and other reproductive harm. Work in a well ventilated area.
●Oils, fuels and fluids contained in vehicles as well as waste produced by compo-
nent wear contain or emit chemicals known to the State of California to cause
cancer and birth defects or other reproductive harm. Avoid exposure and wash
any affected area immediately.
●Battery posts, terminals and related accessories contain lead and lead com-
pounds which are known to cause brain damage. Wash your hands after han-
dling. ( P. 6 3 1 )

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4-2. Maintenance
4
Maintenance and care
GX460_OM_OM60J63U_(U)
General maintenance
Engine compartment
ItemsCheck points
BatteryMaintenance-free. (P. 6 3 1 )
Brake fluidIs the brake fluid at the correct level?
(P. 6 2 7 )
Engine coolantIs the engine coolant at the correct
level? ( P. 6 2 4 )
Engine oilIs the engine oil at the correct level?
(P. 6 2 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 9 )
Radiator/condenser
The radiator and condenser should
be free from foreign objects.
( P. 6 2 6 )
Wa s h e r f l u i dIs there sufficient washer fluid?
(P. 6 3 5 )
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 recomme nded that any problem you notice
should be brought to the attention of your Lexus dealer or qualified service
shop for advice.

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4-2. Maintenance
GX460_OM_OM60J63U_(U)
Vehicle exterior
ItemsCheck points
Doors• Do the doors operate smoothly?
Engine hood• Does the engine hood lock system work properly?
Fluid leaks
• There should not be any signs of fluid leakage after the vehicle has
been parked.
Ti r e
• Is the tire inflation pressure cor-
rect?
• The tires should not be damaged or excessively worn.
• Have the tires been rotated according to the maintenance
schedule?
• The wheel nuts should not be loose.
CAUTION
■If the engine is running
Turn off the engine and ensure that there is adequate ventilation before performing
maintenance checks.

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4-3. Do-it-yourself maintenance
4
Maintenance and care
GX460_OM_OM60J63U_(U)
ItemsPa r t s a n d t o o l s
Engine coolant level (P. 6 2 4 )
• “Toyota Super Long Life Coolant”
or similar high quality ethylene gly-
col based non-silicate, non-amine,
non-nitrite and non-borate coolant
with long-life hybrid organic acid
technology
For the U.S.A.:
“Toyota Super Long Life Coolant”
is pre-mixed with 50 % coolant
and 50 % deionized water.
For Canada:
“Toyota Super Long Life Coolant”
is pre-mixed with 55 % coolant and
45 % deionized water.
• Funnel (used only for adding cool-
ant)
Engine oil level ( P. 6 2 0 )
• “Toyota Genuine Motor Oil” or
equivalent
•Rag or paper towel
• Funnel (used only for adding
engine oil)

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4-3. Do-it-yourself maintenance
4
Maintenance and care
GX460_OM_OM60J63U_(U)
CAUTION
The engine compartment contains many mechanisms and fluids that may move sud-
denly, become hot, or become electrically energized. To avoid death or serious injury,
observe the following precautions:
■When working on the engine compartment
●Keep hands, clothing, and tools away from the moving fan and engine drive belt.
●Be careful not to touch the engine, radiator , exhaust manifold, etc. right after driv-
ing as they may be hot. Oil and other fluids may also be hot.
●Do not leave anything that may burn easi ly, such as paper or rags, in the engine
compartment.
●Do not smoke, cause sparks or expose an open flame to fuel or the battery. Fuel
and battery fumes are flammable.
●Be extremely cautious when working on the battery. It contains poisonous and
corrosive sulfuric acid.
■When working near the electric cooling fans or radiator grille:
Be sure the “ENGINE START STOP” switch is off.
With the “ENGINE START STOP” switch in IGNITION ON mode, the electric
cooling fans may automatically start to run if the air conditioning is on and/or the
coolant temperature is high. ( P. 6 2 6 )
■Safety glasses
Wear safety glasses to prevent flying or falling material, fluid spray, etc. from getting
in your eyes.

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4-3. Do-it-yourself maintenance
GX460_OM_OM60J63U_(U)
NOTICE
■If you remove the air cleaner filter
Driving with the air cleaner filter removed may cause excessive engine wear due to
dirt in the air. Also a backfire could cause a fire in the engine compartment.

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4-3. Do-it-yourself maintenance
GX460_OM_OM60J63U_(U)
Engine compartment
Engine coolant reservoir(P. 6 2 4 )
Engine oil level dipstick (P. 620)
Engine oil filler cap (P. 621)
Brake fluid reservoir (P. 6 2 7 )Fuse box ( P. 655)
Battery ( P. 6 3 1 )
Radiator ( P. 6 2 6 )
Condenser ( P. 6 2 6 )
Electric cooling fan
Washer fluid tank ( P. 635)
Power steering fluid reservoir (P. 6 2 9 )

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4-3. Do-it-yourself maintenance
4
Maintenance and care
GX460_OM_OM60J63U_(U)
Engine compartment cover■ Removing the engine compartment cover
■ Installing the clips
NOTICE
■After installing an engine compartment cover
Make sure the cover is securely installed in its original position.