2015 LEXUS LX570 Owners Manual

7834-3. Do-it-yourself maintenance
4
Maintenance and care
LX570_OM_OM60L96U_(U) ■
Checking interval
Inspect, clean and replace the air conditioning filter according to the maintenance
schedule. In dusty areas or areas with heav y traffic flow, more frequent cleaning or
early replacement may be required. (For scheduled maintenance information, refer
to the “Warranty and Services Guide”, “O wner’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.

7844-3. Do-it-yourself maintenance
LX570_OM_OM60L96U_(U) Electronic key battery Replace the battery with a ne w one if it is discharged.
■ You will need the following items:
● Flathead screwdriver (T o prevent damage to the key, cover the
tip of the screwdriver with rag.)
● Small Phillips-head screwdriver
● 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

7854-3. Do-it-yourself maintenance
4
Maintenance and care
LX570_OM_OM60L96U_(U) ■
If the electronic key battery is discharged
The following symptoms may occur. ●
The smart access system with push-butto n 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 equiva lent type recommend ed 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 on ly 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 co uld 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.

7864-3. Do-it-yourself maintenance
LX570_OM_OM60L96U_(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. 752
The fuses are located in the fo llowing 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

7874-3. Do-it-yourself maintenance
4
Maintenance and care
LX570_OM_OM60L96U_(U) Driver’s side instrument panel
Remove the bolts and the cover.
Remove the lid.

7884-3. Do-it-yourself maintenance
LX570_OM_OM60L96U_(U) Passenger’s side instrument panel
Remove the cover.
Remove the lid.
After a system failure, see “Fuse layout and amperage ratings”
(  P. 791) for details about which fuse to check.
Remove the fuse with the pull-
out tool.STEP 4
STEP 5

7894-3. Do-it-yourself maintenance
4
Maintenance and care
LX570_OM_OM60L96U_(U) Check if the fuse has blown.
Type A and B
Normal fuse
Blown fuse Replace it with one of an appro-
priate amperage rating. The
amperage rating can be found
on the fuse box lid.STEP 6
Type A
Type B

7904-3. Do-it-yourself maintenance
LX570_OM_OM60L96U_(U) Type C and D
Normal fuse
Blown fuse Contact your Lexus dealer.Type C
Type D