See also:

Roadside Assistance Program
For U.S.-purchased vehicles, call 1-800-252-1112; (Text Telephone (TTY): 1-888-889-2438). For Canadian-purchased vehicles, call 1-800-268-6800. Service is available 24 hours a day, 365 days a year. ...

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 ...

Finding a Program Type (PTY) Station(RDS and XM™)
To select and find a desired PTY perform the following: 1. Press the TYPE button to activate program type select mode. TYPE and a PTY displays. 2. Turn the TYPE knob or press and release the TY ...