Retained Accessory Power (RAP)
These vehicle accessories can be used for up to 10 minutes after the engine is turned off:
○ Audio System
○ Power Windows
○ Sunroof (if equipped)
Power to the audio system will continue to operate for up to 10 minutes or until the driver door is opened.
Power to the power windows and sunroof will continue to operate for up to 10 minutes or until any door is opened.
All these features will work when the key is in ON/RUN or ACC/ ACCESSORY.
See also:
When Should an Airbag Inflate?
Frontal airbags are designed to inflate in moderate to severe frontal or near frontal crashes to help reduce the potential for severe injuries, mainly to the driver's or front outboard passenger's hea ...
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.
...
XM Messages
XL (Explicit Language Channels): These channels, or any others, can be blocked
by request, by calling 1-800-929-2100 in the U.S. and 1-877-438-9677 in Canada.
XM Updating: The encryption code in th ...





