Cleaning Exterior Lamps/Lenses and Emblems
Use only lukewarm or cold water, a soft cloth, and a car washing soap to clean exterior lamps and lenses.
Follow instructions under "Washing the Vehicle" later in this section.
See also:
Transmission
Electronic Range Select (ERS) Mode
ERS mode allows you to choose the top-gear limit of the transmission and the vehicle's speed while driving downhill or towing a trailer.
The vehicle has an electro ...
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.
...
Replacing Safety Belt System Parts after a Crash
WARNING
A crash can damage the safety belt system in the vehicle.
A damaged safety belt system may not properly protect the person using it, resulting in serious injury or even death in a crash. To ...





