See also:

Calibrate Compass
The vehicle may have this feature. The compass can be manually calibrated. To calibrate the compass through the DIC, see Compass. ...

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. ...

Using Voice Commands During a Planned Route
Cancel Route 1. Push . System responds: “OnStar ready,” then a tone. Say “Cancel route.” System responds: “Would you like to cancel route directions to your destination?”. 2. Say “Yes.” Syst ...