See also:

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. ...

Selecting a Band
Press the RADIO/BAND button to choose AM, FM, or XM, if equipped. The last station that was playing starts playing again. ...

Portable Audio Devices
Some vehicles have a 3.5 mm (1/8 in) auxiliary input and a USB port located in the center console. External devices such as iPods® laptop computers, MP3 players, CD changers, and USB drives m ...