See also:

Navigation
This display is used for the OnStar or Navigation System Turn-by-Turn guidance. See OnStar Overview or the navigation manual, if the vehicle has navigation, for more information. ...

Steering Wheel Controls
For vehicles with audio steering wheel controls, some audio controls can be adjusted at the steering wheel. : Press to interact with the available Bluetooth, OnStar, or navigation system. : P ...

CD/DVD Player
The CD/DVD player can play CDs, DVD-As, MP3/WMA CDs, MP3/WMA DVDs, and DVD-Vs. The CD/DVD player will not play 8 cm (3 in) discs. ...