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Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12017481) - 2019 - CRC - 11/5/18
VEHICLE CARE 261
change to vary greatly. It is possible
an air filter change may not be
indicated for up to four years.
How to Reset Engine Air Filter
Life System
To reset:
1. Place the vehicle in P (Park).
2. Display the Air Filter Life on the
DIC. See Driver Information Center
(DIC) 0 142.
3. Press
T to move to the Reset/
Disable display area. Select Reset
then press
V.
4. Press to confirm to reset.
Engine Air Cleaner/Filter
The engine air cleaner/filter is in the
engine compartment on the passenger
side of the vehicle. See Engine
Compartment Overview 0 256.
When to Inspect the Engine Air
Cleaner/Filter
.
For inter vals on changing and
inspecting the engine air filter, see
Maintenance Schedule 0 326.
.
If equipped with Engine Air Filter
Life System, see Engine Air Filter
Life System 0 260.
.
If driving in very dusty areas,
follow the engine air filter
inspecting and changing inter vals,
see Maintenance Schedule 0 326.
How to Inspect the Engine Air
Cleaner/Filter
Do not start the engine or have the
engine running with the engine air
cleaner/filter housing open. Before
removing the engine air cleaner/filter,
make sure that the engine air cleaner/
filter housing and nearby components
are free of dirt and debris. Remove the
engine air cleaner/filter. Lightly tap
and shake the engine air cleaner/filter
(away from the vehicle), to release
dust and dirt. Inspect the engine air
cleaner/filter for damage, and replace
if damaged. Do not clean the engine
air cleaner/filter or components with
water or compressed air.
To inspect or replace the engine air
cleaner/filter:
1. Remove the six screws on top of
the engine air cleaner/filter
housing.
2. Lift the air cleaner/filter cover
housing away from the engine.
3. Pull out the filter.
4. Inspect or replace the engine air
cleaner/filter.
5. Reverse Steps 1–3 to reinstall the
filter cover housing.
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