See also:

How to Reinstall Engine Air Cleaner/Filter
1. Install the air cleaner into the air cleaner housing. The outer air cleaner filter seal must be fitted properly in the air cleaner housing. 2. Align the air cleaner housing cover tabs to ...

Engine Air Cleaner/Filter
See Engine Compartment Overview for the location of the engine air cleaner/filter. When to Inspect the Engine Air Cleaner/Filter Inspect the air cleaner/filter at the scheduled maintenance inte ...

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if ...