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. ...

Obstacle Detection Features
If the liftgate encounters an obstacle during a power open or close cycle, a warning chime will sound and the liftgate will automatically reverse direction to the full closed or open position. Aft ...

Power Outlets
The accessory power outlets can be used to plug in electrical equipment, such as a cell phone or MP3 player. The vehicle has three accessory power outlets located: Inside the floor console stor ...