See also:

Lamps On Reminder
For vehicles with the lamps on reminder light, it comes on when the lights are in use. ...

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 informatio ...

Onstar.com
The website provides access to account information, manages the OnStar subscription, and allows viewing of videos of each service. Get subscription plan pricing and sign up for OnStar Vehicle ...