See also:

Customer Assistance for Text Telephone (TTY) Users (U.S. and Canada)
To assist customers who are deaf, hard of hearing, or speech impaired and who use Text Telephones (TTYs), GMC has TTY equipment available at its Customer Assistance Center. Any TTY user can communicat ...

Lane Departure Warning (LDW) Light
For vehicles with the lane departure warning system, this light is located on the center of the instrument panel. This light briefly comes on green while starting the vehicle. If it does not, h ...

Adjusting the Brightness and Contrast of the Screen
To adjust the brightness and contrast of the screen, press the MENU button while the RVC image is on the display. Any adjustments made will only affect the RVC screen. (Brightness): Touch the + (plu ...