OnStar Services

See also:

CUE and ATS technologies
The ATS is offered with Cadillac CUE, a comprehensive, in-vehicle experience that merges intuitive design with auto industry-first controls and commands for information and entertainment data. It ...

Satellite Radio
XM is a satellite radio service that is 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 ...

ELECTRONIC KEY ALREADY KNOWN
If the vehicle has the keyless access system, this message displays if you try to match a transmitter that has already been learned. See the keyless access information for Remote Keyless E ...