See also:

Programming with a Recognized Transmitter
A new transmitter can be programmed to the vehicle when there is one recognized transmitter. For vehicles sold in Canada, two recognized transmitters are required to program a new transmitter ...

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the v ...

Playing an MP3/WMA Disc
CD/DVD players with the MP3 feature are capable of playing an MP3/WMA on DVD+/−R, CD−R, or CD−RW discs. For more information, see MP3. ...