Horn
Press
on the steering wheel pad to sound the horn.
See also:
Using the Outside Mirror with the Blind Spot Mirror
1. Set the main mirror so that the side of the vehicle can just be seen and the
blind spot mirror has an unobstructed view.
2. When checking for traffic or before changing a lane, look at the main ...
Symbols
The navigation system may have a feature that lets the driver view symbols on the navigation screen while using the rear vision camera.
The Ultrasonic Rear Park Assist (URPA) system must not be disab ...
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.
...





