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Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) -
2019 - crc - 1/23/19
304 VEHICLE CARE
Engine Air Filter Life
System
If equipped, this feature provides an
indication of when to change the
engine air filter. It is based on driving
conditions, which can cause when to
change to vary greatly. It is possible
an air filter change may not be
indicated for up to four years.
When to Change Engine Air
Filter
Replace the engine air filter when the
REPLACE NOW message displays on
the Driver Information Center (DIC).
This should be done as soon as
possible within the next 1 000 km
(600 mi) or at the next oil change,
depending on the DIC message. The
system must be reset after the engine
air filter is changed. See your dealer
for service and to reset the system.
When a REPLACE AT NEXT OIL
CHANGE message displays, this
indicates that the engine air filter
change is necessary at the next engine
oil change.
How to Reset Engine Air Filter
Life System
Reset the system whenever the engine
air filter is replaced so that the system
can calculate the next engine air filter
change.
To reset:
1. Place the vehicle in P (Park).
2. Select Engine Air Filter Life on
the DIC menu. See Driver
Information Center (DIC) 0 150.
3. Press
T to move to the Reset/
Disable display area. Select Reset
then press SEL. Then press Yes
to confirm the reset.
4. 100% Air Filter Life will be
displayed when the Engine Air
Filter Life System is successfully
reset.
Engine Air Cleaner/Filter
The engine air cleaner/filter is in the
engine compartment. See Engine
Compartment Over view 0 292.
When to Inspect the Engine Air
Cleaner/Filter
.
For inter vals on changing and
inspecting the engine air filter, see
Maintenance Schedule 0 383.
.
If equipped with Engine Air Filter
Life System, see Engine Air Filter
Life System 0 304.
.
If driving in ver y dusty areas,
follow the engine air filter
inspecting and changing intervals,
see Maintenance Schedule 0 383.
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
loose dust and dirt. Inspect the engine
air cleaner/filter for damage, and
replace if damaged. Do not clean the
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