Adjusting the Brightness and Contrast of the Screen

To adjust the brightness and contrast of the screen, press the MENU button while the rear vision camera image is on the display.

Any adjustments made will only affect the rear vision camera screen.

(Contrast): Touch the + (plus) or – (minus) screen buttons to increase or decrease the contrast of the screen. (Brightness): Touch the + (plus) or – (minus) screen buttons to increase or decrease the brightness of the screen.

Symbols (Contrast): Touch the + (plus) or – (minus) screen buttons to increase or decrease the contrast of the screen.

    See also:

    Vehicle Overview
    GMC’s full-size van sells in fewer numbers than the similar Chevrolet Express but attracts a loyal clientele. Along with its full-size rivals from Dodge and Ford, the rear-drive truck-based van ...

    Compass
    The vehicle may have a compass in the Driver Information Center (DIC). ...

    Reporting Safety Defects to General Motors
    In addition to notifying NHTSA (or Transport Canada) in a situation like this, please notify General Motors. Call 1-800-GMC-8782 (1-800-462-8782), or write: GMC Customer Assistance Center P.O. Box ...