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. ...

Manual Operation
(Power): Press to turn the climate control system on or off. (Fan Control): Turn to increase or decrease the fan speed. Adjusting the fan speed while in automatic mode places the fan under ma ...

Power Seats
To adjust a power seat, if equipped: • Move the seat forward or rearward by sliding the control forward or rearward. • If available, raise or lower the front or rear part of the seat cushion ...