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:

How to Add Coolant to the CoolantRecovery Tank
If you have not found a problem yet, but the coolant level is not at the FULL COLD mark, add a 50/50 mixture of clean, drinkable water and DEX-COOL® engine coolant at the coolant recovery tank. ...

Compass Operation
Press the on/off button once to turn the compass on or off. There is a compass display in the window in the upper right corner of the mirror face. The compass displays a maximum of two character ...

How OnStar Service Works
Automatic Crash Response, Emergency Services, Crisis Assist, Stolen Vehicle Assistance, Vehicle Diagnostics, Remote Door Unlock, Roadside Assistance, Turn-by-Turn Navigation, and Hands-Free ...