See also:

Control Buttons (Radio with CD and Touchscreen)
A track number displays at the beginning of each track. Song, Artist, and Album information displays when available. The buttons used to control the CD player are: SRCE (Source): Press to select t ...

Horn
Press near or on the horn symbols on your steering wheel pad to sound the horn. ...

OnStar Steering Wheel Controls
This vehicle may have a Talk/Mute button that can be used to interact with OnStar hands-free calling. See Audio Steering Wheel Controls for more information. On some vehicles, the mute button c ...