See also:

Setting the Time and Date (Radio with CD and Touchscreen)
To set the time: 1. Press the CONFIG button to enter the menu options. Turn the Menuknob to scroll through the available setup features. Press the SELECT knob or press the Time screen butto ...

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. ...

Adjusting the Fader and Balance
1. Press the TONE button. 2. Select Fader or Balance. 3. Select the value. Press the BACK button to go back to the Tone Settings menu. ...