See also:

Roadside Assistance Program
In the U.S. call 1-800-252-1112. In Canada call 1-800-268-6800. Service available 24 hours a day, 365 days a year. As the proud owner of a new Buick vehicle, you are automatically enrolled in th ...

Volume Control
VOL/ (Volume/Power): Turn to adjust the volume. (Phone/Mute): For vehicles with OnStar®, press and hold to mute the infotainment system. Press and hold again, or turn the VOL/ knob t ...

XM Categories (Radio with CD and Touchscreen)
Adding or Removing Categories 1. From the Home Page press the Config screen button or the CONFIG button on the infotainment system. 2. Select Radio Settings from the Config Menu list. 3. Se ...