Auxiliary Devices
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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Fuel Additives
To provide cleaner air, all gasolines in the United States are now required to contain additives that help prevent engine and fuel system deposits from forming, allowing the emission control system to ...
Windshield Wiper/Washer
The windshield wiper/washer lever is located on the left side of the steering column.
Turn the band with the wiper symbol to control the windshield wipers.
(Mist): Use for a single wiping cycle.
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