2018 Lexus GX460 Owner's Manual / LEXUS 2018 GX460 OWNER'S MANUAL (OM60Q09U)

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GX460_OM_OM60Q09U_(U)6-3. Do-it-yourself maintenance
6
Maintenance and care
Air conditioning filter
Turn the engine switch off.
Open the glove box and remove the
glove box cover.
Remove the filter cover.
The air conditioning filter must be ch
anged regularly to maintain air condi-
tioning efficiency.
Removal method
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GX460_OM_OM60Q09U_(U)6-3. Do-it-yourself maintenance
Slide and pull out the filter. Replace
the filter with a new one.
The “
\bUP” marks shown on the filter
should be pointing up.
■Changing interval
Inspect and replace the air cond itioning 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 “Owner’s Manual
Supplement” or “Scheduled Maintenance”.)
■If air flow from the vents decreases dramatically
The filter may be clogged. Check the filter and replace if necessary.
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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.

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GX460_OM_OM60Q09U_(U)6-3. Do-it-yourself maintenance
6
Maintenance and care
Electronic key battery
●Flathead screwdriver
●Small Phillips-head screwdriver
●Lithium battery (CR1632)
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 depleted battery.
Insert a new battery with the “+” termi-
nal facing up.
Replace the battery with a new one if it is depleted.
You will need the following items:
Replacing the battery
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GX460_OM_OM60Q09U_(U)6-3. Do-it-yourself maintenance
■Use a CR1632 lithium battery
●Batteries can be purc
hased at your Lexus dealer, loca l electrical appliance shops or
camera stores.
●Replace only with the same or equivalent type recommended by the manufacturer.
●Dispose of used batteries according to the local laws.
■If the electronic key battery is depleted
The following symptoms may occur:
●The smart access system with push-button start and wireless remote control will not
function properly.
●The operational rang e will be reduced.
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 coul d 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 co mponent inside the remote control.
●Do not bend either of the battery terminals.

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GX460_OM_OM60Q09U_(U)6-3. Do-it-yourself maintenance
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Maintenance and care
Checking and replacing fuses
Turn the engine switch off.
Open the fuse box cover.
Remove the fuse with the pull-out tool.
Only type A fuse can be removed using
the pull-out tool.
If any of the electrical components do not operate, a fuse may have blown. If
this happens, check and repl ace the fuses as necessary.
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2
Engine compartmentDriver’s side instrument panel
Push the tab in and lift the lid off. Remove the lid.
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GX460_OM_OM60Q09U_(U)6-3. Do-it-yourself maintenance
Check if the fuse is blown.
Normal fuse
Blown fuse
Type A:
Replace the blown fuse with a new fuse of an appropriate amperage rating. The
amperage rating can be found on the fuse box lid.
Type B, C and D:
Contact your Lexus dealer.
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2
Type AType B
Type CType D

GX460_OM_OM60Q09U_(U)
4956-3. Do-it-yourself maintenance
6
Maintenance and care
■After a fuse is replaced
●If the lights do not turn on even after the fuse has been replaced, a bulb may need
replacement. (→P. 498)
●If the replaced fuse blows again, have th e vehicle inspected by your Lexus dealer.
■If there is an overload in a circuit
The fuses are designed to blow, protecting the wiring harness from damage.
CAUTION
■To prevent system breakdowns and vehicle fire
Observe the following precautions.
Failure to do so may cause damage to th e vehicle, and possibly a fire or injury.
●Never use a fuse of a higher amperage rati ng than indicated, or use any other object
in place of a fuse.
●Always use a genuine Lexus fuse or equivalent.
Never replace a fuse with a wi re, even as a temporary fix.
●Do not modify the fuses or the fuse boxes.
NOTICE
■Before replacing fuses
Have the cause of electrical overload dete rmined and repaired by your Lexus dealer,
as soon as possible.

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GX460_OM_OM60Q09U_(U)6-3. Do-it-yourself maintenance
Headlight aim
Adjustment bolt A
Adjustment bolt B
Make sure the vehicle has a full tank of gasoline and the area around the
headlight is not deformed.
Park the vehicle on level ground.
Sit in the driver’s seat.
Bounce the vehicle several times.
Vertical movement adjusting bolts
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2
Before checking the headlight aim
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