Interior Mirror
The automatic dimming rearview mirror reduces the glare from other vehicle headlamps. Each time the vehicle is started, the dimming feature comes on.
See Automatic Dimming Rearview Mirror on page 2‑20.
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.
...
General Towing Information
Only use towing equipment that has been designed for the vehicle. Contact your
dealer or trailering dealer for assistance with preparing the vehicle for towing
a trailer. See the following trailer ...
Storing a Favorite Station
A maximum of 36 stations can be stored as favorites using the six softkeys located below the radio station frequency tabs and by using the radio FAV button. Press FAV to go through up to six pages of ...