OnStar

See also:

Keyless Liftgate Opening
Press the touch pad on the liftgate handle to open the liftgate if the keyless entry transmitter is within range. ...

Finding a Station
AM Source Shown, Other Sources Similar If viewing a map screen, press the source screen (AM, FM, XM (if equipped), CD, etc.) button. The display splits between the audio screen and the map screen ...

Parade Dimming
This feature does not let the instrument panel display screens dim during daylight hours while the ignition is in the ACC/ACCESSORY or ON/RUN position and the parking lamps or headlamps are ...