Buick 2014 Regal Owner's Manual page 263

1. Screws
2. Air Duct Clamp
3. Electrical Connector
To inspect or replace the engine air
cleaner/filter:
1. Open the hood. See
.
2. Disconnect the outlet duct by
loosening the air duct clamp (2).
3. Disconnect the electrical
connector (3).
4. Remove the screws (1) on top of
the engine air cleaner/filter
housing.
5. Lift the filter cover housing away
from the engine air cleaner/filter
housing.
6. Pull out the filter.
7. Inspect or replace the engine air
cleaner/filter.
8. Reverse Steps 2 4 to reinstall
the filter cover housing.
Operating the engine with the air
cleaner/filter off can cause you or
others to be burned. The air
cleaner not only cleans the air; it
helps to stop flames if the engine
backfires. Use caution when
working on the engine and do not
drive with the air cleaner/filter off.
If the air cleaner/filter is off, dirt
can easily get into the engine,
which could damage it. Always
have the air cleaner/filter in place
when you are driving.