Automatic Dimming Rearview Mirror with OnStar® and Compass

Your vehicle may have an automatic-dimming rearview mirror with a compass and the OnStar® system.

There are three additional buttons for the OnStar® system. See your dealer for more information on the system and how to subscribe to OnStar®.

See OnStar® System on page 129 for more information about the services OnStar® provides.

on/off button. (On/Off): This is the on/off button.

See also:

When to Inspect the Engine Air Cleaner/Filter
Inspect the air cleaner/filter at the scheduled maintenance intervals and replace it at the first oil change after each 80 000 km (50,000 mi) interval. See Maintenance Schedule  for more info ...

Courtesy Lamps
The courtesy lamps come on automatically when any door is opened and the dome lamp is in the door position. ...

Underbody Maintenance
Use plain water to flush dirt and debris from the vehicle's underbody. Your dealer or an underbody car washing system can do this. If not removed, rust and corrosion can develop. ...