Exterior Lighting
See also:
Multi-Band Antenna
The multi-band antenna is on the roof of the vehicle. The antenna is used for
the AM&-FM radio, OnStar, the XM Satellite Radio Service System, and GPS (Global
Positioning System), if the vehic ...
Roadside Assistance Program
As the owner of a new GMC, you are automatically enrolled in the Roadside Assistance
program. See Roadside Assistance Program (U.S. and Canada) on page 13‑7 or Roadside
Assistance Program (M ...
Accessories and Modifications
Adding non-dealer accessories or making modifications to the vehicle can affect
vehicle performance and safety, including such things as airbags, braking, stability,
ride and handling, emissions s ...





