See also:

The Inside
Here's where GM has really outdone itself in its new SUVs. Like the Tahoe, the Yukon shows off one of the best interiors GM has ever mustered in a mass-marketed vehicle. All the buttons are of abo ...

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. ...

After Off-Road Driving
Remove any brush or debris that has collected on the underbody or chassis, or under the hood. These accumulations can be a fire hazard. After operation in mud or sand, have the brake linings clean ...