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. ...

Programming the Power Windows
If the battery on the vehicle has been recharged, disconnected, or is not working, you will need to reprogram each front power window for the express-up feature to work. Before reprogramming, repl ...

Bluetooth (Overview)
For vehicles equipped with Bluetooth capability, the system can interact with many cell phones, allowing: - Placement and receipt of calls in a hands-free mode. - Sharing of the cell phone’s addr ...