Reading Lamps
Press the button near each lamp to turn them on or off.
See also:
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.
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What to Use
WARNING
Adding only plain water or some other liquid to the cooling system can be dangerous.
Plain water and other liquids, can boil before the proper coolant mixture will.
The coolant warning sy ...
If the Vehicle Is Stuck
Slowly and cautiously spin the wheels to free the vehicle when stuck in sand,
mud, ice, or snow.
If stuck too severely for the traction system to free the vehicle, turn the traction
system off an ...





