2012 Lexus GS350 Owner's Manual

695
6 6-3. Do-it-yourself maintenance
Maintenance and care
GS350/250_EE (OM30C36E)
Air conditioning filter
Turn the engine switch off.
Open the glove box. Lift up
the side with the stay, discon-
nect the stay tabs and remove
the partition by pulling hori-
zontally.
Press the tabs and remove the
filter cover.
Press the tabs and remove the
filter case.
The air conditioning filter must be changed regularly to maintain
air conditioning efficiency.
Removal method
1
2
3
4

6966-3. Do-it-yourself maintenance
GS350/250_EE (OM30C36E)Remove the air conditioning
filter from the filter case and
replace it with a new one.
The “UP” marks shown on the
filter and the filter case should be
pointing up.
Checking interval
Inspect and replace the air conditioning filter according to the maintenance
schedule. In dusty areas or areas with heavy traffic flow, early replacement
may be required. (For scheduled maintenance information, please refer to the
“Lexus Service Booklet” or “Lexus Warranty Booklet”.)
If air flow from the vents decreases dramatically
The filter may be clogged. Check the filter and replace if necessary.
5
NOTICE
When using the air conditioning system
Make sure that a filter is always installed.
Using the air conditioning system without a filter may cause damage to the
system.

697 6-3. Do-it-yourself maintenance
6
Maintenance and care
GS350/250_EE (OM30C36E)
Electronic key battery
Flathead screwdriver
Small flathead screwdriver
Lithium battery CR2032
Take out the mechanical key.
Remove the cover.
To prevent damage to the key,
cover the tip of the screwdriver
with a rag.
Remove the battery cover.
To prevent damage to the key,
cover the tip of the screwdriver
with a rag.
Replace the battery with a new one if it is depleted.
You will need the following items:
Replacing the battery
1
2
3

6986-3. Do-it-yourself maintenance
GS350/250_EE (OM30C36E)Remove the depleted battery.
Insert a new battery with the “+”
terminal facing up.
Use a CR2032 lithium battery
Batteries can be purchased at any authorized Lexus dealer or repairer, or
another duly qualified and equipped professional, local electrical appliance
shops or camera stores.
Replace only with the same or equivalent type recommended by the manu-
facturer.
Dispose of used batteries according to local laws.
When the card key battery needs to be replaced (if equipped)
The battery for the card key is available only at Lexus dealers. Your Lexus
dealer can replace the battery for you.
If the electronic key battery is depleted
The following symptoms may occur:
The smart entry & start system and wireless remote control will not func-
tion properly.
The operational range will be reduced.
4

699 6-3. Do-it-yourself maintenance
6
Maintenance and care
GS350/250_EE (OM30C36E)
CAUTION
Removed battery and other parts
Keep away from children. These parts are small and if swallowed by a
child, they can cause choking. Failure to do so could result in death or seri-
ous injury.
Lithium battery precautions
RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCOR-
RECT TYPE.
DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUC-
TIONS
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 component inside the remote control.
Do not bend either of the battery terminals.

7006-3. Do-it-yourself maintenance
GS350/250_EE (OM30C36E)
Checking and replacing fuses
Turn the engine switch off.
After a system failure, see “Fuse layout and amperage ratings”
for details about which fuse to check. (P. 705)
Open the fuse box cover.
Engine compartment: type A fuse box (left-hand drive vehicles)
Push the tab in and lift the lid
off.
Engine compartment: type A fuse box (right-hand drive vehicles)
Push the tab in and lift the lid
off.
If any of the electrical components do not operate, a fuse may have
blown. If this happens, check and replace the fuses as necessary.
1
2
3

701 6-3. Do-it-yourself maintenance
6
Maintenance and care
GS350/250_EE (OM30C36E)
Engine compartment (type B fuse box)
Push the tab in and lift the lid
off.
Left side instrument panel (left-hand drive vehicles)
Remove the lid.
Left side instrument panel (right-hand drive vehicles)
Remove the lid.

7026-3. Do-it-yourself maintenance
GS350/250_EE (OM30C36E)
Right side instrument panel (left-hand drive vehicles)
Remove the lid.
Right side instrument panel (right-hand drive vehicles)
Remove the lid.