Electrical System
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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Stop/Tail/Turn Signal/ Sidemarker Lamp
To replace one of these lamps:
1. Open the liftgate. See Liftgate on page 2‑9.
2. Remove the two screw covers from the taillamp assembly.
3. Remove the two screws securing the taillamp asse ...
Warning Lights, Gauges, and
Indicators
Warning lights and gauges can signal that something is wrong before it becomes serious enough to cause an expensive repair or replacement. Paying attention to the warning lights and gauges could preve ...





