Dome Lamp Override
The dome lamp override button is located next to the exterior lamps control.

: Press the button in and the dome lamps remain off when a door is opened. Press the button again to return it to the extended position so that the dome lamps come on when a door is opened.
See also:
DIC Buttons
The buttons are the set/reset, customization, vehicle information, and trip/fuel buttons. The button functions are detailed in the following pages.
(Set/Reset): Press this button to set or reset c ...
Door Ajar Messages
DOOR OPEN
A door open symbol will be displayed on the DIC showing which door is open. If
the vehicle has been shifted out of P (Park), a DOOR OPEN message will also be displayed.
Close the door c ...
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.
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