2015 LEXUS LX570 check engine

7454-2. Maintenance
4
Maintenance and care
LX570_OM_OM60L96U_(U) Vehicle exterior Items Check points
Doors • Operate smoothly?
Engine hood • The lock system works properly?
Fluid leaks • Is there any leakage after parking?
Tires • 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.
Windshield wipers/rear window
wiper • The wiper blades should not show
any signs of cracking, splitting,
wear, contamination or deforma-
tion.
• The wiper blades should clear the
windshield/rear window without
streaking or skipping.
CAUTION■
If the engine is running
Turn off the engine and ensure that there is adequate ventilation before performing
maintenance checks.

7534-3. Do-it-yourself maintenance
4
Maintenance and care
LX570_OM_OM60L96U_(U) ■ Installing the clips
Push up center portion
Insert
Press
Engine oil
With the engine at operating tempera ture and turned off, check the oil
level on the dipstick.
■ Checking the engine oil
Park the vehicle on level grou nd. After warming up the engine
and turning it off, wait more than 5 minutes for the oil to drain
back into the bottom of the engine.
Hold a rag under the end and pull
the dipstick out.NOTICE■
After installing an engine compartment cover
Make sure that the cover is securely installed in its original position.
STEP 1
STEP 2

7544-3. Do-it-yourself maintenance
LX570_OM_OM60L96U_(U) Wipe the dipstick clean.
Reinsert the dipstick fully.
Holding a rag unde r the end, pull
the dipstick out and check the oil
level.
Low
Normal
Excessive The shape of the dipstick may differ
depending on the type of vehicle or
engine.
Wipe the dipstick and reinsert it fully.
■ 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. (  P. 889)
Make sure to check the oil type an d prepare the items needed before
adding oil. STEP 3
STEP 4
STEP 5
STEP 6

7554-3. Do-it-yourself maintenance
4
Maintenance and care
LX570_OM_OM60L96U_(U) Remove the oil filler cap.
Add engine oil slowly, checking the dipstick.
Install the filler cap, turning it clockwise.Engine oil selection  P. 889
Oil quantity
(Low  Full) 1.6 qt. (1.5 L, 1.3 Imp.qt.)
Items Clean funnel
■
Engine oil consumption
A certain amount of engine oil will be consumed while driving. In the following situ-
ations, oil consumption may increase, and engine oil may need to be refilled in
between oil maintenance intervals. ●
When the engine is new, for example di rectly after purchasing the vehicle or
after replacing the engine ●
If low quality oil or oil of an inappropriate viscosity is used●
When driving at high engine speeds or with a heavy load, when towing, or when
driving while accelerating or decelerating frequently ●
When leaving the engine idling for a lo ng time, or when driving frequently
through heavy traffic STEP 1
STEP 2
STEP 3

7564-3. Do-it-yourself maintenance
LX570_OM_OM60L96U_(U) 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 household trash, in sewers or onto the ground. Call
your Lexus dealer, service station or auto parts stor e for information concerning
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, as 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 tightened.

7574-3. Do-it-yourself maintenance
4
Maintenance and care
LX570_OM_OM60L96U_(U) Engine coolant
The coolant level is satisfactory if it is between the “F” and “L” lines on the
reservoir when the engine is cold.
Reservoir cap
“F”
“L” If the level is on or below the “L”
line, add coolant up to the “F” line.
■
If the coolant level drops within a short time of replenishing
Visually check the radiator, hoses, reservoi r cap, radiator cap, drain cock and water
pump.
If you cannot find a leak, have your Lexus dealer 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-bora te 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.

7584-3. Do-it-yourself maintenance
LX570_OM_OM60L96U_(U) Radiator and condenser
Check the radiator and condenser, and clear any foreign objects.
If any 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 coolant reservoir cap.
The cooling system may be under pressure and may spray hot coolant if the cap is
removed, causing serious injuries, such as burns.
NOTICE■
When adding engine coolant
Coolant is neither plain wate r nor straight antifreeze. Th e 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 damage to parts or paint.
CAUTION■
When the engine is hot
Do not touch the radiator or condenser as they may be hot and cause serious inju-
ries, such as burns.

7594-3. Do-it-yourself maintenance
4
Maintenance and care
LX570_OM_OM60L96U_(U) Brake fluid
■ Checking fluid level
The brake fluid level should be
between the “MAX” and “MIN”
lines on the tank.
MAX
MIN
Make sure to check the fluid type and prepare the necessary items.
■ Adding fluid
■ Refilling brake fluid
Turn the “ENGINE STAR T STOP” switch OFF.
Depress the brake pedal more than 40 times.
Remove the reservoir cap by hand . Add brake fluid up to the
“MAX” line.If you do not follow the procedure above, the reservoir may overflow.Fluid type FMVSS No.116 DOT 3 or SAE J1703 brake fluid
Items Clean funnel
■
Brake fluid can absorb moisture from the air
Excess moisture in the fluid can cause a dangerous loss of brak ing efficiency. Use
only newly opened brake fluid. STEP 1
STEP 2
STEP 3