Exterior Lighting
See also:
Adjusting the Speakers (Balance/Fade) (All Except AM-FM Radio and Radio with
CD)
BAL/FADE (Balance/Fade): To adjust the balance or fade:
1. Press the knob until the speaker control tabs display.
2. Highlight the desired speaker control tab by doing one of the following:
• Pr ...
Roadside Assistance Program
U.S.: 1-888-881-3302
TTY Users (U.S.): 1-888-889-2438
Canada: 1-800-268-6800
Mexico: 01-800-466-0801
As the owner of a new GMC, you are automatically enrolled in the Roadside Assistance program.
...
Store a Name Tag for Speed Dialing
1. Push System responds: “OnStar
ready.”
2. Say “Store.” System responds: “Please say the number you would like to store.”
3. Say the entire number without pausing. System responds: ...