Vehicles with Navigation System
The rear vision camera system is designed to help the driver when backing up by displaying a view of the area behind the vehicle.
When the driver shifts the vehicle into R (Reverse), the video image automatically appears on the navigation screen. Once the driver shifts out of R (Reverse), the navigation screen will go back to the last screen that had been displayed, after a delay.
See also:
Cleaning the Video Screen
Use only a clean cloth dampened with clean water. Use care when touching or cleaning
the screen as damage could result. ...
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.
...
Lane Departure Warning (LDW)
For vehicles with LDW, it is intended to help avoid unintentional lane departures.
It may provide a warning if the vehicle is crossing a lane without using a turn
signal. LDW uses a camera sensor ...