Service and Maintenance

See also:

Exiting the Feature Settings Menu
The feature settings menu will be exited when any of the following occurs: • The vehicle is shifted out of P (Park). • The vehicle is no longer in ON/RUN. • The trip/fuel or vehicle informati ...

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. ...

Tachometer
The tachometer displays the engine speed in revolutions per minute (rpm). For a description of how Grade Braking affects vehicle speed while the Tow/Haul Mode is activated, see Tow/Haul Mode on page 9 ...