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. ...

Glove Box
To open, press the button. Use the key to lock and unlock. The glove box has a shelf that can be removed by pulling it out. ...

Storing Radio Station Presets
This feature stores a mix of up to 30 AM, FM, and XM (if equipped) preset stations. To store presets: 1. Press to turn the system on. 2. If viewing a map screen, press AUDIO, FAV or press the sou ...