See also:

Voice Recognition
The navigation system's voice recognition allows for hands-free operation of the navigation system, audio system, and OnStar (if equipped) features. Voice recognition can be used when the ignit ...

Exterior Lighting Battery Saver
The exterior lamps turn off about 10 minutes after the ignition is turned to LOCK/OFF, if the parking lamps or headlamps have been manually left on. This protects against draining the batter ...

Radio(s)
VOL/ : Press to turn the system on and off. Turn to increase or decrease the volume. RADIO/BAND: Press to choose between FM, AM, or XM™, if equipped. TUNE or TUNE/INFO: Turn to select radio sta ...