2018 LEXUS LX570 service

466
LX570_OM_OM60Q78U_(U) 6-2. Maintenance
General maintenance Listed below are the general maintenanc e items that should be performed at
the intervals specified in the “Warranty and Service Guide” or “Owner’s
Manual Supplement”. It is recommende d that any problem you notice should
be brought to the attention of your Lexu s dealer or qualified service shop for
advice.
Engine compartment Items Check points
Battery Check the connections. ( → P. 482)
Brake fluid Is the brake fluid at the correct level? ( → P. 479)
Engine coolant Is the engine coolant at the correct level? ( → P. 478)
Engine oil Is the engine oil at the correct level? ( → P. 475)
Exhaust system There should not be any fumes or strange sounds.
Power steering fluid Is the power steering fluid at the correct level?
( → P. 481)
Radiator/condenser The radiator and condenser should be free from
foreign objects. ( → P. 479)
Washer fluid Is there sufficient washer fluid? ( → P. 485)

469
LX570_OM_OM60Q78U_(U) 6-2. Maintenance
6
Maintenance and care
Emission inspection and maintenance (I/M) programs The OBD system determines that a problem exists somewhere in the emission
control system. Your vehicle may not pass the I/M test and may need to be
repaired. Contact your Lexus dealer to service the vehicle. ●
When the battery is disconnected or discharged
Readiness codes that are set duri ng ordinary driving are erased.
Also, depending on your driving habits , the readiness codes may not be com-
pletely set. ●
When the fuel tank cap is loose
The malfunction indicator lamp comes on indicating a temporary malfunction
and your vehicle may not pass the I/M test.
The error code in the OBD system will not be cleared unless the vehicle is driven
40 or more times.
Contact your Lexus dealer to pr epare the vehicle for re-testing.Some states have vehicle emission in spection programs which include OBD
(On Board Diagnostics) checks. The OBD system monitors the operation of
the emission control system.
If the malfunction indicator lamp comes on
Your vehicle may not pass the I/M te st in the following situations:
When the malfunction indicator lamp still remains on after several driv-
ing trips
If your vehicle does not pass the I/M test

470
LX570_OM_OM60Q78U_(U) 6-3. Do-it-yourself maintenance
Do-it-yourself service precautions If you perform maintenance yourself, be sure to follow the correct procedures
as given in these sections. Items Parts and tools
Battery condition
( → P. 482) •Warm water • Baking soda •Grease
• Conventional wrench (for terminal clamp bolts)
Brake fluid level
( → P. 479) • FMVSS No.116 DOT 3 or SAE J1703 brake fluid
• Rag or paper towel
• Funnel (used only for adding brake fluid)
Engine coolant level
( → P. 478) • “Toyota Super Long Life Coolant” or similar high quality eth-
ylene glycol-based non-silicate, non-amine, non-nitrite and
non-borate coolant with long-l ife hybrid organic acid tech-
nology.
For the U.S.A.:
“Toyota Super Long Life Coolan t” 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 coolant)
Engine oil level
( → P. 475) • “Toyota Genuine Motor Oil” or equivalent
• Rag or paper towel
• Funnel (used only for adding engine oil)
Fuses ( → P. 505) • Fuse with same amperage rating as original
Power steering fluid
level ( → P. 481) • Automatic transmission fluid DEXRON ®
II or III
• Rag or paper towel
• Funnel (used only for adding power steering fluid)
Radiator and
condenser
( → P. 479) ⎯
Tire inflation
pressure ( → P. 495) • Tire pressure gauge • Compressed air source
Washer fluid
( → P. 485) • Water or washer fluid containing antifreeze (for winter use)
• Funnel (used only for adding water or washer fluid)

LX570_OM_OM60Q78U_(U) 4776-3. Do-it-yourself maintenance
6
Maintenance and care WARNING ■
Used engine oil ●
Used engine oil contains potentially harm ful contaminants which may cause skin dis-
orders such as inflammation or skin canc er, so care should be taken to avoid pro-
longed 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 sa fe and acceptable manner. Do not dispose of
used oil and filters in household trash, in sewers or onto the ground. Call your Lexus
dealer, service station or auto parts store for information concerning recycling or dis-
posal. ●
Do not leave used engine oil within the reac h 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 fille r cap is properly tightened.

494
LX570_OM_OM60Q78U_(U) 6-3. Do-it-yourself maintenance
NOTICE ■
Repairing or replacing tires, wheels, tire pressure warning valves and transmitters
and tire valve caps ●
When removing or fitting the wheels, tire s or the tire pressure warning valve and
transmitter, contact your Lexus dealer as the tire pressure wa rning valve and trans-
mitter may be damaged if not handled correctly. ●
Make sure to install the tire valve caps. If the tire valve caps ar e not installed, water
could enter the tire pressure warning valves and the tire pressure warning valves
could be bound. ●
When replacing tire valve caps, do not use tire valve caps other than those specified.
The cap may become stuck. ■
To avoid damage to the tire pressu re warning valves and transmitters
When a tire is repaired with liquid sealants, the tire pressure warning valve and trans-
mitter may not operate properly. If a liquid sealant is used, contact your Lexus dealer or
other qualified service shop as soon as possi ble. Make sure to replace the tire pressure
warning valve and transmitter when replacing the tire. ( → P. 487)■
Driving on rough roads
Take particular care when driving on roads with loose surfaces or potholes.
These conditions may cause lo sses in tire inflation pre ssure, reducing the cushioning
ability of the tires. In addition driving on rough roads may cause damage to the tires
themselves, as well as the vehicle’s wheels and body. ■
If tire inflation pressure s become low while driving
Do not continue driving, or your tires and/or wheels may be ruined.

500
LX570_OM_OM60Q78U_(U) 6-3. Do-it-yourself maintenance
WARNING ■
When replacing wheels ●
Do not use wheels that are a different size from those recommended in the Owner’s
Manual, as this may result in a loss of handling control. ●
Never use an inner tube in a leaking wheel which is designed for a tubeless tire. Doing
so may result in an accident, causing death or serious injury. ■
Use of defective wheels prohibited
Do not use cracked or deformed wheels.
Doing so could cause the tire to leak air du ring driving, possibly causing an accident.
NOTICE ■
Replacing tire pressure warn ing valves and transmitters●
Because tire repair or replacement may affe ct the tire pressure warning valves and
transmitters, make sure to have tires serviced by your Lexus dealer or other qualified
service shop. In addition, ma ke sure to purchase your tire pressure warning valves
and transmitters at your Lexus dealer. ●
Ensure that only genuine Lexus wh eels are used on your vehicle.
Tire pressure warning valves and transmitte rs may not work properly with non-genu-
ine wheels.

512
LX570_OM_OM60Q78U_(U) 7-2. Steps to take in an emergency
If your vehicle needs to be towed The following may indicate a problem wi th your transmission. Contact your
Lexus dealer or commercial to wing service before towing.●
The engine is running but the vehicle does not move. ●
The vehicle makes an abnormal sound.If towing is necessary, we recommend having your vehicle towed by your
Lexus dealer or commercial towing se rvice, using a wheel-lift type truck or
flatbed truck.
Use a safety chain system for all towing, and abide by all state/provincial and
local laws.
If towing your vehicle with a wheel-lift type truck, use a towing dolly.
( → P. 513, 516)
Situations when it is necessary to contact dealers before towing

5437-2. Steps to take in an emergency
LX570_OM_OM60Q78U_(U) 7
When trouble arises Raise the tire. While raising, secure the tire, taking
care that the tire goes straight up with-
out catching on any surrounding part, to
prevent it from flying forward during a
collision or sudden braking.
After the tire goes half way up, check
that the suspended chain is able to enter
the tire hole, for proper storage.
Tightening torque:
33.2 ft•lbf (45 N•m, 4.6 kgf•m)
Confirm that the tire is not loose
after tightening:
Push and pull the tire
Try rotating Visually check to ensure the tire is
not hung on surrounding parts.
If looseness or misassembly exis ts, repeat step and step .
Repeat step , any time the tire is lowered or disturbed.
Stow the tools and jack securely. ■
After completing the tire change
The tire pressure warning system must be reset. ( → P. 487)3
4
1
2
NOTICE ■
When stowing the flat tire
Ensure that there is no object caught between the tire and the vehicle underbody. ■
When replacing the tires ●
When removing or fitting the wheels, tire s or the tire pressure warning valve and
transmitter, contact your Lexus dealer as the tire pressure wa rning valve and trans-
mitter may be damaged if not handled correctly. ●
Replace the grommets for the tire pressure warning valves and transmitters as well.■
To avoid damage to the tire pressu re warning valves and transmitters
When a tire is repaired with liquid sealants, the tire pressure warning valve and trans-
mitter may not operate properly. If a liquid sealant is used, contact your Lexus dealer or
other qualified service shop as soon as possi ble. Make sure to replace the tire pressure
warning valve and transmitter when replacing the tire. ( → P. 487) 3 4
5 4
6