See also:

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 the vehic ...

Replacing the Engine Air Cleaner/ Filter
1. Locate the air cleaner/filter assembly. See Engine Compartment Overview on page 10‑6. 2. Loosen the four screws on the cover of the housing and lift up the cover. 3. Remove the engine a ...

Fuel Additives
To provide cleaner air, all gasolines in the United States are now required to contain additives that help prevent engine and fuel system deposits from forming, allowing the emission control system to ...