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. ...

Trip Odometer
The trip odometer can show how far the vehicle has been driven since the trip odometer was last reset. The trip odometer is accessed and reset through the Driver Information Center (DIC). See Driver ...

Climate Controls
The heating, cooling, defrosting, and ventilation for the vehicle can be controlled with these systems. ...