See also:

When to Inspect the Engine Air Cleaner/Filter
Inspect the air cleaner/filter at the Maintenance II intervals and replace it at the first oil change after each 50,000 mile (80 000 km) interval. See Scheduled Maintenance for more information. ...

Automatic Dimming Rearview Mirror
The vehicle may have an automatic dimming inside rearview mirror with OnStar® and/or a compass display. Automatic dimming reduces the glare from the headlamps of the vehicle behind you. The dim ...

Low Fuel Warning Light
This light, below the fuel gauge, comes on briefly when the engine is started. If it does not come on have the vehicle serviced by your dealer. If the system is working normally, the indic ...