2014 LEXUS LX570 Owners Manual

7754-3. Do-it-yourself maintenance
4
Maintenance and care
LX570_OM_OM60L21U_(U) Wheels If a wheel is bent, cracked or heavily corroded, it should be replaced.
Otherwise, the tire may separate from the wheel or cause loss of handling
control.
■ Wheel selection
When replacing wheels, care should be taken to ensure that they
are equivalent to those removed in load capaci ty, diameter, rim
width, and inset
* .
Replacement wheels are available at your Lexus dealer.
* : Conventionally referred to as “offset”.
Lexus does not recommend using:
● Wheels of different sizes or types
● Used wheels
● Bent wheels that have been straightened
■ Aluminum wheel precautions
● Use only Lexus wheel nuts and wrenches designed for use with
your aluminum wheels.
● When rotating, repairing or changi ng your tires, check that the
wheel nuts are still tight after driving 1000 miles (1600 km).
● Be careful not to damage the aluminum wheels when using tire
chains.
● Use only Lexus genuine balance weights or equivalent and a
plastic or rubber hammer when balancing your wheels.

7764-3. Do-it-yourself maintenance
LX570_OM_OM60L21U_(U) ■
When replacing wheels
The wheels of your Lexus are equipped with tire pressure warning valves and trans-
mitters that allow the tire pressure warning system to provide advanced warning in
the event of a loss in tire inflation pres sure. Whenever wheels are replaced, the tire
pressure warning valves and transmitters must be installed. (  P. 76 3 )
CAUTION■
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 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 during driving, possibly causing an acci-
dent.
NOTICE■
Replacing tire pressure warning valves and transmitters ●
Because tire repair or replacement may affect the tire pressure warning valves
and transmitters, make sure to have tires serviced by your Lexus dealer or other
qualified service shop. In addition, make sure to purchase your tire pressure
warning valves and transmitters at your Lexus dealer. ●
Ensure that only genuine Lexus wheels are used on your vehicle.
Tire pressure warning valves and transmitters may not work properly with non-
genuine wheels.

7774-3. Do-it-yourself maintenance
4
Maintenance and care
LX570_OM_OM60L21U_(U) Air conditioning filter The air conditioning filter must be cleaned or changed regularly to main-
tain air conditioning efficiency.
■ Removal method
Turn the “ENGINE START STOP” switch IGNITION ON
mode and switch to recircula ted air mode, then turn the
“ENGINE START STOP” switch OFF.
Open the glove box and remove the separate tray. (  P. 6 8 7 )
Remove the filter cover.
Remove the filter case.STEP 1
STEP 2
STEP 3
STEP 4

7784-3. Do-it-yourself maintenance
LX570_OM_OM60L21U_(U) ■ Cleaning method
If the filter is dirty, clean by blow-
ing compressed air through the
filter from the downward side. Hold the air gun 2 in. (5 cm)
from the filter and blow for
approximately 2 minutes at 72
psi (500 kPa, 5.0 kgf/cm 2
or
bar).
If it is not available, have the filter
cleaned by your Lexus dealer.
■ Replacement method
Remove the air conditioning fil-
ter and replace it with a new
one. The “  UP” marks shown on the
filter should be pointing up.

7794-3. Do-it-yourself maintenance
4
Maintenance and care
LX570_OM_OM60L21U_(U) ■
Checking interval
Inspect, clean and replace the air conditioning filter according to the maintenance
schedule. In dusty areas or areas with heavy traffic flow, more frequent cleaning or
early replacement may be required. (For scheduled maintenance information, refer
to the “Warranty and Services Guide”, “Owner’s Manual Supplement” or “Sched-
uled Maintenance”.) ■
If air flow from the vents decreases dramatically
The filter may be clogged. Check the filter and replace if necessary.
NOTICE■
To prevent damage to the system ●
When using the air conditioning system, make sure that a filter is always installed. ●
When cleaning the filter, do not clean the filter with water.

7804-3. Do-it-yourself maintenance
LX570_OM_OM60L21U_(U) Electronic key battery Replace the battery with a new one if it is discharged.
■ You will need the following items:
● Flathead screwdriver (To prevent damage to the key, cover the tip
of the screwdriver with rag.)
● Small Phillips-head sc rewdriver
● Lithium battery (CR1632)
■ Replacing the battery
Take out the mechanical key
(  P. 31).
Remove the cover.
Remove the depleted battery. Insert a new battery with the “+”
terminal facing up.STEP 1
STEP 2
STEP 3

7814-3. Do-it-yourself maintenance
4
Maintenance and care
LX570_OM_OM60L21U_(U) ■
If the electronic key battery is discharged
The following symptoms may occur. ●
The smart access system with push-button start and wireless remote control will
not function properly. ●
The operational range is reduced.■
Use a CR1632 lithium battery ●
Batteries can be purchased at your Lexus dealer, jewelers, or camera stores.●
Replace only with the same or equivalent type recommended by your Lexus
dealer. ●
Dispose of used batteries according to the local laws.■
When the card key battery needs to be replaced
The battery for the card key is available only at Lexus dealer. Your Lexus dealer can
replace the battery for you.
CAUTION■
Removed battery and other parts
These parts are small and if swallowed by a child, they can cause choking. Keep
away from children. Failure to do so could result in death or serious injury.
NOTICE■
For normal operation after replacing the battery
Observe the following precautions to prevent accidents. ●
Always work with dry hands.
Moisture may cause the battery to rust. ●
Do not touch or move any other comp onents inside the electronic key.●
Do not bend the battery terminals.

7824-3. Do-it-yourself maintenance
LX570_OM_OM60L21U_(U) Checking and replacing fuses If any of the electrical components do not operate, a fuse may have blown.
If this happens, check and re place the fuses as necessary.
Turn the “ENGINE START STOP” switch OFF.
Remove the engine compartment cover 
 P. 74 8
The fuses are located in the following places. To check the
fuses, follow the instructions below.
Engine compartm ent (fuse box on the left side)
Push the tab in and lift the lid off.
Engine compartm ent (fuse box on the right side)
Push the tabs in and lift the lid
off.STEP 1
STEP 2
STEP 3