See also:

Parade Dimming
This feature automatically prohibits the dimming of the instrument panel displays in daylight while the headlamps are on so that the displays are still able to be seen. ...

Turning the Rear Vision Camera System On or Off
To turn the rear vision camera system on or off: 1. Shift into P (Park). 2. Press the MENU button to enter the configure menu options, then press the MENU hard key to select Display or touch the Dis ...

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. ...