See also:

Why Safety Belts Work
When riding in a vehicle, you travel as fast as the vehicle does. If the vehicle stops suddenly, you keep going until something stops you. It could be the windshield, the instrument panel, or the s ...

Retained Accessory Power (RAP)
These vehicle accessories can be used for up to 10 minutes after the ignition key is turned off: • Audio System • Power Windows • Sunroof (if equipped) Power to the windows and sunroof will ...

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. ...