See also:

Database Coverage Explanations
Coverage area depends upon the map detail available. Some areas have greater map detail than others. The navigation system works only as well as the information provided on the stored map data. Se ...

Root Directory
The root directory is treated as a folder. If the root directory has compressed audio files, the directory displays as No Folder or ALL. ...

Security
OnStar provides services like Stolen Vehicle Assistance, Remote Ignition Block, and Roadside Assistance, if the vehicle is equipped with these services. OnStar can unlock the vehicle doors remotely, ...