Increasing Speed While Using Cruise Control

If the cruise control system is already activated:

• Press and hold the +RES button on the steering wheel until the desired speed is reached, then release it.

• To increase vehicle speed in small increments, press the +RES button briefly. Each time this is done, the vehicle goes about 1.6 km/h (1 mph) faster.

    See also:

    Reactivation for Subsequent Owners
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    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. ...