OnStar

See also:

CD/DVD Player
The infotainment system's CD/DVD player can play audio discs and MP3 discs. Discs that are 8 cm (3 in) in diameter will not work in the CD/DVD player. The CD/DVD player does not support th ...

Maps
This section includes basic information that you need to know about the map database. The maps are stored on a compact flash drive that is built into the navigation system. ...

Heated Steering Wheel
The vehicle may be equipped with a heated steering wheel. (Heated Steering Wheel): Press to turn the heated steering wheel on or off. A light on the button displays when the feature is tur ...