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.
(Brightness): Touch the + (plus) or – (minus) screen buttons to increase or decrease the brightness of the screen.
(Contrast): Touch the + (plus) or – (minus) screen buttons to increase or decrease the contrast of the screen.
See also:
Customer Assistance Offices (U.S. and Canada)
GMC encourages customers to call the toll-free number for assistance.
However, if a customer wishes to write or e-mail GMC, the letter should be addressed to:
United States
GMC Customer Assistance ...
XM™ Satellite Radio Service
XM Satellite Radio Service gives digital radio reception from coast to coast
in the 48 contiguous United States, and in Canada. Just as with FM, tall buildings
or hills can interfere with satellit ...
Delayed Headlamps
Delayed headlamps provide a period of exterior lighting as you leave the area around the vehicle.
This feature is activated when the headlamps are on due to the automatic headlamps control feature, a ...





