Navigation
OnStar navigation requires the Directions and Connections service plan.
Push 
to receive directions or have them sent to the vehicle navigation screen. Destinations can also be forwarded to the vehicle from Google Maps™ or MapQuest.com. The OnStar mapping database is continuously updated. Visit www.onstar.com for coverage maps.
See also:
Engine Hours
Press the vehicle information button until ENGINE HOURS displays. This display shows the total number of hours the engine has run. ...
File System and Naming
The song name that displays is the song name contained in the ID3 tag.
If the song name is not present in the ID3 tag, then the radio displays the file name without the extension (such as .mp3) as th ...
Empty Folder
Folders that do not contain files are skipped, and the player advances to the next folder that contains files. ...