Drive Systems
See also:
Dual Automatic Climate Control System
Dual Automatic Climate Control System
A. Driver and Passenger Temperature Controls
B. Fan Control
C. AUTO
D. Defrost
E. Air Recirculation
F. Outside Air
G. Air Delivery Mode Control
H. Dis ...
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.
...
Leaving After Parking on a Hill
1. Apply and hold the brake pedal.
2. Start the engine.
3. Shift into a gear.
4. Release the parking brake.
5. Let up on the brake pedal.
6. Drive slowly until the trailer is clear of the chocks. ...





