Clock
To set the time:
1. Press the CONFIG button to enter the menu options. Turn the TUNE/MENU knob to scroll through the available setup features. Press the TUNE/MENU knob or press the Time screen button to display other options within that feature.
2. Press + or − to decrease or increase the Hours and Minutes displayed on the clock.
12/24 HR Format: Press the 12 HR screen button for standard time; press the 24 HR screen button for military time.
Day + or Day −: Press the Day + or Day − display buttons to increase or decrease the day.
Display: Press Display to turn the display of the time on the screen on or off.
See also:
Video Screen
The video screen is located in the overhead console.
To use the video screen:
1. Push the release button located on the overhead console.
2. Move the screen to the desired position.
When the video ...
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 ...
Tire Chains
WARNING
If the vehicle has dual wheels or P265/65R18, P275/55R20, LT265/70R17, LT265/70R18, LT265/60R20, P285/50R20, P285/45R22 or 285/45R22 size tires, do not use tire chains. They can damage the ve ...