2007 LEXUS LX470 check engine

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4-3. Do-it-yourself maintenance
■Adding engine oil
If the oil level is below or near the
low level mark, add engine oil of
the same type as already in the
engine.
Make sure to check th e oil type and prepare the items needed before
adding oil.
Remove the oil filler cap.
Add engine oil slowly, checking the dipstick.
Install the filler cap, turning it clockwise until you hear a click.
Oil gradeILSAC multigrade engine oil
Oil quantity
(Low  Full)1.6 qt. (1.5 L, 1.3 Imp. qt.)
ItemsClean funnel
STEP1
STEP2
STEP3

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4-3. Do-it-yourself maintenance
4
Maintenance and care
CAUTION
■Used engine oil
●Used engine oil contains potentially harmful contaminants which may cause skin
disorders such as inflammation or skin cancer, so care should be taken to avoid
prolonged and repeated contact. To remove used engine oil from your skin, wash
thoroughly with soap and water.
●Dispose of used oil and filters only in a safe and acceptable manner. Do not dis-
pose of used oil and filters in househol d trash, in sewers or onto the ground.
Call your Lexus dealer, service station or auto parts store for information con-
cerning recycling or disposal.
●Do not leave used engine oil within the reach of children.
NOTICE
■To prevent serious engine damage
Check the oil level on regular basis.
■When replacing the engine oil
●Be careful not to spill engine oil on the vehicle components.
●Avoid overfilling, or the engine could be damaged.
●Check the oil level on the dipstick every time you refill the vehicle.
●Be sure the engine oil filler cap is properly retightened.

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4-3. Do-it-yourself maintenance
Engine coolantThe coolant level is satisfactory if it is between the “FULL” and “LOW”
lines on the reservoir when the engine is cold.
Reservoir cap
Full
Low
If the level is on or below the
“LOW” line, add coolant up to the
“FULL” line.
■If the coolant level drops within a short time after replenishing
Visually check the radiator, hoses, reservoir cap, radiator cap, drain cock and water
pump.
If you cannot find a leak, have your Lexus dealer pressure test the cap and check for
leaks in the cooling system.
■Coolant selection
Only use “Toyota Super Long Life Coolant” or similar high quality ethylene glycol
based non-silicate, non-amine, non-nitrite, and non-borate coolant with long-life
hybrid organic acid technology.
U.S.A.: “Toyota Super Long Life Coolant” is a mixture of 50% coolant and 50%
deionized water. (Enabled: -31F [-35 C])
Canada: “Toyota Super Long Life Coolant” is a mixture of 55% coolant and 45% deionized water. (Enabled: -44 F [-42C])
For more details about engine coolant, contact your Lexus dealer.

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4-3. Do-it-yourself maintenance
4
Maintenance and care
Radiator and condenserCheck the radiator and condenser and clear any foreign objects.
If either of the above parts are extremely dirty or you are not sure of their
condition, have your vehicle checked by your Lexus dealer.
CAUTION
■When the engine is hot
Do not remove the radiator cap.
The cooling system may be under pressure and may spray hot coolant if the cap is
removed, causing burns or other injuries.
NOTICE
■When adding the engine coolant
Coolant is neither plain water nor straight antifreeze. The correct mixture of water
and antifreeze must be used to provide proper lubrication, corrosion protection
and cooling. Be sure to read the antifreeze or coolant label.
■If you spill coolant
Be sure to wash it off with water to prevent it damage to parts or paint.
CAUTION
■The radiator and condenser may be hot after driving
To prevent burns, do not touch the radiator or condenser after driving.

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4-3. Do-it-yourself maintenance
Power steering fluid■ Fluid level
The fluid level should be within the appropriate range.
Full (when hot)
Add fluid (when hot)
Full (when cold)
Add fluid (when cold)
Hot: Vehicle has been driven arou nd 50 mph (80 km/h) for 20 min-
utes, or slightly longer in frig id temperatures. (Fluid tempera-
ture, 140°F - 175°F [60°C - 80°C]).
Cold: Engine has not been run for about five hours. (Room tempera- ture, 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 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)
STEP1
STEP2
STEP3
STEP4
STEP5

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4-3. Do-it-yourself maintenance
■Checking the fluid level
Check the fluid level under the unloaded condition.
Start the engine and put the vehicle height in the “LO” (Low)
mode and then “N” (Normal) mode.
Turn off the ignition switch about 30 seconds after the “N” (Nor-
mal) mode indicator light comes on.
Make sure the fluid level is between “MAX” and “MIN”.
If the fluid level is lower than “MIN ”, have suspension fluid AHC filled by
your Lexus dealer.
Battery
■ Exterior
Make sure that the battery terminals ar e not corroded and that there are
no loose connections, cracks, or loose clamps.
Terminals
Hold-down clamp
STEP1
STEP2
STEP3

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4-3. Do-it-yourself maintenance
4
Maintenance and care
Checking and replacing fuses
If any of the electrical components do not operate, a fuse may have blown.
If this happens, check and replace the fuses as necessary.
Turn the ignition key to the “LOCK” position.
Open the fuse box cover.
Engine compartment
Push the tab in and lift the lid off.
Push the tab in and lift the lid off.STEP1
STEP2

5
When trouble arises
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5-2. Steps to take in an emergency
*: Driver's seat belt reminder buzzer:
The driver’s seat belt reminder sounds to alert the driver that his or her seat belt
is not fastened. The buzzer sounds for about 4 to 8 seconds, unless the driver
fastens the belt.
Engine oil replacement
reminder light
Illuminates for about 3 sec-
onds and then flashes for
about 12 seconds: Indicates
that the engine oil is scheduled
to be changed.
Check and the engine oil, and
change if necessary.
Comes on and remains on:
Indicates that the engine oil
should be changed.Check and change the engine
oil.