Satellite Radio
XM is a satellite radio service based in the 48 contiguous United States and 10 Canadian provinces.
XM satellite radio has a wide variety of programming and commercial-free music, coast to coast, and in digital-quality sound.
A fee is required to receive the XM service.
For more information, refer to:
• www.xmradio.com or call
1-800-929-2100 (U.S.)
• www.xmradio.ca or call
1-877-438-9677 (Canada)
See Satellite Radio on page 7‑11.
See also:
Global Off
Depending on the infotainment system, the RSE system may have a Global Off feature.
The Global Off feature disables all RSE system features. Press and hold the radio
power button for more than thr ...
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.
...
Locking Rear Axle
Vehicles with a locking rear axle can give more traction on snow, mud, ice, sand, or gravel. It works like a standard axle most of the time, but when traction is low, this feature will allow the rear ...





