Fluid Lexus GX470 2007 Instrument cluster / LEXUS 2007 GX470 (OM60C64U) User Guide

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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.
■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, inverter, radiator, exhaust manifold, etc. right
after driving as they may be hot. Oil and other fluids may also be hot.
●Do not leave anything that may burn easily, 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 fan or radiator grille
Be sure the ignition switch is in “LOCK”.
With the ignition switch is in the “ACC” or “ON” position, the electric cooling fan
may automatically start to run if the air conditioning is on and/or the coolant tem-
perature is high. ( P. 295)
■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 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
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Maintenance and care
Engine compartment
Engine oil level dipstick(P. 2 8 9 )
Engine oil filler cap (P. 290)
Brake fluid reservoir (P. 2 9 6 )
Fuse box ( P. 321)
Battery ( P. 2 9 9 )Condenser ( P. 2 9 5 )
Electric cooling fan
Engine coolant reservoir (P. 2 9 4 )
Radiator ( P. 2 9 5 )
Washer fluid tank ( P. 301)
Power steering fluid reservoir (P. 2 9 7 )

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4-3. Do-it-yourself maintenance
Brake fluid■ Checking fluid level
The brake fluid level should be
between the “MAX” and “MIN”
lines on the tank.
Make sure to check the fluid type and prepare the necessary items.
■ Adding fluid
Fluid typeFMVSS No.116 DOT 3 or SAE J1703 brake fluid
ItemsClean funnel
■Brake fluid can absorb moisture from the air
Excess moisture in the fluid can cause a dangerous loss of braking efficiency. Use
only newly opened brake fluid.
CAUTION
■When filling the reservoir
Take care because brake fluid can harm your hands or eyes and damage painted
surfaces.
If fluid gets in your eyes, flush your eyes with clean water immediately.
If you still experience discomfort, see a doctor.

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4-3. Do-it-yourself maintenance
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Maintenance and care
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 driv en around 50 mph (80 km/h) for 20
minutes, or slightly longer in frigid temperatures. (Fluid temperature,
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]).
NOTICE
■If the fluid level is low or high
It is normal for the brake fluid level to go down slightly as the brake pads wear or
when the fluid level in the accumulator is high.
If the reservoir needs frequent refilli ng, it may indicate a serious problem.

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4-3. Do-it-yourself maintenance
■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 turning it counterclockwise.
Wipe the dipstick clean.
Reinstall and remove the reservoir cap again.
Check the fluid level.
Fluid typeAutomatic transmission fluid DEXRON® II or III
ItemsRag or paper, clean funnel (only for adding fluid)
CAUTION
■When checking the reservoir
Take care, as the reservoir may be hot.
NOTICE
■When adding fluid
Avoid overfilling, or the power steering may be damaged.
■After replacing the reservoir cap
Check the steering box case, vane pump and hose connections for leaks or dam-
age.
STEP1
STEP2
STEP3
STEP4
STEP5

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4-3. Do-it-yourself maintenance
4
Maintenance and care
Washer fluidIf a washer does not work, the
washer tank may be empty. Add
washer fluid.
NOTICE
■When recharging the battery
Never recharge the battery while the engine is running. Also, be sure all accesso-
ries are turned off.
NOTICE
■Do not use any fluid other than washer fluid
Do not use soapy water or engine antifreeze instead of washer fluid.
Doing so may cause streaking on the vehicle’s painted surfaces.
■Diluting washer fluid
Dilute washer fluid with water as necessary.
Refer to the freezing temperatures listed on the washer fluid tank.

5
When trouble arises
343
5-1. Essential information
If you think something is wrong
If you notice any of the following symptoms, your vehicle probably needs
adjustment or repair. Contact your Lexus dealer as soon as possible.
■Visible symptoms
●Fluid leaks under the vehicle
(Water dripping from the air conditioning after use is normal.)
● Flat-looking tires or uneven tire wear
● Engine coolant temper ature gauge needle continually points
higher than normal
■ Audible symptoms
●Changes in exhaust sound
● Excessive tire squeal when cornering
● Strange noises related to the suspension system
● Pinging or other noises related to the engine
■ Operational symptoms
●Engine missing, stumbling or running rough
● Appreciable loss of power
● Vehicle pulls heavily to one side when braking
● Vehicle pulls heavily to one side when driving on a level road
● Loss of brake effectiveness, sp ongy feeling, pedal almost touches
the floor

5
When trouble arises
347
5-2. Steps to take in an emergency
If a warning light turns on or a warning buzzer sounds...
Stop the vehicle immediately. Continuing to drive the vehicle may be dangerous.
The following warning indicates a possible problem in the brake system.
Immediately stop the vehi cle in a safe place and contact your Lexus
dealer.
Warning lightWarning light/Details
(U.S.A.)

(Canada)
Brake system warning light
•Low brake fluid
• Malfunction in the brake system
This light also comes on when the parking brake is not
released. If the light turns off after the parking brake is fully
released, the system is operating normally.
Calmly perform the following actions if any of the warning lights turn on or
flash. If a light turns on or flashes, bu t then turns off, this does not necessar-
ily indicate a malfunction in the system.

5
When trouble arises
349
5-2. Steps to take in an emergency
Warning lightWarning light/Details
(U.S.A.)

(Canada)
ABS warning lightMalfunction in:
•The ABS; or
• The brake assist system.
VSC/TRAC warning lightMalfunction in:
• The VSC;
• The active traction control system;
• The downhill assist control system; or
• The hill-start assist control system.
Automatic transmission fluid temperature warning lightIndicates that the automatic transmission fluid temperature
is too high.
Unengaged “Park” warning lightMalfunction in the transmission “Park” mechanism.
(if equipped)
Kinetic dynamic suspension system warning lightMalfunction in the kinetic dynamic suspension system.

350
5-2. Steps to take in an emergency
Have the malfunction repaired immediately.After taking the specified steps to co rrect the suspected problem, check
that the warning light turns off.
Warning lightWarning light/DetailsCorrection procedure
Open door warning light
A door or a back door is not
fully closed.Check that all doors and the
back door are closed.
Low fuel level warning lightRemaining fuel
(Approximately 2.9 gal. [11 L,
2.4 Imp.gal.] or less)
Refuel the vehicle.
Low washer fluid warning
lightLow level of washer fluid.
Fill the tank.
Engine oil replacement
reminder light
Illuminates for about 3 sec-
onds and then flashes for
about 12 seconds: The engine
oil is scheduled to be changed.
Check the engine oil, and
change if necessary.
Comes on and remains on:
The engine oil should be
changed.Check and change the engine
oil.