2009 Lexus IS250 Using the audio system / LEXUS 2009 IS350/250 OWNER'S MANUAL (OM53669U)

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4-3. Do-it-yourself maintenance
4
Maintenance and care
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.
ItemsPa r t s a n d t o o l s
Engine oil level ( P. 3 1 3 )
• “Toyota Genuine Motor Oil” or
equivalent
• Rag or paper towel, funnel (used only for adding engine oil)
Fuses ( P. 3 4 7 )• Fuse with same amperage rating as
original
Tire inflation pressure ( P. 3 3 6 )• Tire pressure gauge
• Compressed air source
Headlight aim ( P. 3 6 1 )• Phillips-head screwdriver
Radiator and condenser (P. 3 1 9 )
Wa s h e r f l u i d ( P. 3 2 4 )
• Water washer fluid containing anti-
freeze (for winter use)
•Funnel

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4-3. Do-it-yourself maintenance
CAUTION
■When working near the electric cooling fan 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 fan may automatically start to run if the air conditioning is on and/or the
coolant temperature is high. (P. 3 1 9 )
■Safety glasses
Wear safety glasses to prevent flying or falling material, fluid spray, etc. from getting
in the eyes.
NOTICE
■If you remove the air cleaner
Driving with the air filter removed may cau se 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
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Maintenance and care
Hood
CAUTION
■Pre-driving check
Check that the hood is fully closed and locked.
If the hood is not locked properly it may open while the vehicle is in motion and
cause an accident, which may result in death or serious injury.
Release the lock from the inside of the vehicle to open the hood.
Pull the hood release lever.
The hood will pop up slightly.
Lift the auxiliary catch lever and
lift the hood.
STEP1
STEP2

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4-3. Do-it-yourself maintenance
Positioning a floor jack
When raising your vehicle with a floor jack, position the jack correctly.
Improper placement may damage your vehicle or cause injury.
■Front
2WD
AW D
■ Rear

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4-3. Do-it-yourself maintenance
4
Maintenance and care
CAUTION
■When raising your vehicle
Make sure to observe the following to reduce the possibility of death or serious
injury.
●Do not use the jack that was supplied with your vehicle.
●Do not put any part of your body or get underneath the vehicle supported only by
the floor jack.
Always use automotive jack stan ds on a solid, level, surface.
●Do not start the engine while the vehicle is supported by the floor jack.
●Stop the vehicle on level firm ground, firmly set the parking brake and put the shift
lever in P (automatic) or R (manual).
●Make sure to set the floor jack properly at the jack point.
Raising the vehicle with an improperly positioned floor jack will damage the vehi-
cle and may cause the vehicle to fall off the floor jack.
●Do not raise the vehicle while someone is in the vehicle.
●When raising the vehicle, do not place any objects on top of or underneath the
floor jack.
●Lift up the vehicle using a floor jack such as
the one shown in the illustration.

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4-3. Do-it-yourself maintenance
Engine compartment
IS350
Battery (P. 321)
Engine oil level dipstick (P. 313)
Engine oil filler cap (P. 313)
Brake fluid reservoir (P. 319)
Fuse boxes ( P. 3 4 7 )Washer fluid tank
(P. 3 2 4 )
Electric cooling fans
Condenser ( P. 319)
Radiator ( P. 319)
Engine coolant reservoir ( P. 317)

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4-3. Do-it-yourself maintenance
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Maintenance and care
IS250
Battery (P. 321)
Engine oil level dipstick (P. 313)
Engine oil filler cap (P. 313)
Brake fluid reservoir (P. 319)
Fuse boxes ( P. 3 4 7 )Washer fluid tank
(P. 3 2 4 )
Electric cooling fans
Condenser ( P. 319)
Radiator ( P. 319)
Engine coolant reservoir ( P. 317)

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4-3. Do-it-yourself maintenance
Engine compartment cover■ Removing the engine compartment cover
Front
Outside
■ Installing the clips
Press the tip of the clip against a
hard surface, such as a desk, to
allow the center part of the clip
to be pushed up.
Insert
Press