See also:

OnStar Mobile App
With an iPhone® or Android™-based mobile device, an OnStar mobile app can be downloaded. The vehicle can be remote started, if equipped, or the doors can be unlocked from anywhere there is ...

Selecting a Station
Seek Tuning (Radio with CD) If the radio station is not known: Briefly press SEEK or SEEK to automatically search for the next available station. If a station is not found, the radio switches ...

Ending a Call
Press to end a call. ...