See also:

Finding a Station
BAND: Press to switch between AM, FM, or XM™, if equipped. (Tune): Turn to manually select radio stations. SEEK: Press to seek the previous radio station. Press and hold for a few seconds until ...

Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle. ...

Cellular Phone Usage
Cellular phone usage may cause interference with the vehicle's radio. This interference may occur when making or receiving phone calls, charging the phone's battery, or simply having the phone on. Th ...