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. ...

Radio(s)
Radio with CD (MP3) shown, Radio with Six-Disc CD (MP3) similar The vehicle has one of these radios as its audio system. ...

Menu System (Radio with CD)
The Menu system for the uplevel infotainment system appears on the display screen. Controls The TUNE/MENU knob and BACK are used to navigate the menu system. TUNE/MENU: Press to: Enter the ...