See also:

File System and Naming
The song name contained in the ID3 tag displays. If the song name is not in the ID3 tag, the radio displays the file name without the extension. Track names longer than 32 characters are shor ...

Turn-by-Turn
This display is used for the OnStar or Navigation System Turn-by-Turn guidance. See OnStar Overview or the navigation manual, if the vehicle has navigation, for more information. ...

Universal Remote System
Vehicles with the Universal Remote System will have these buttons located in the headliner. This system provides a way to replace up to three remote control transmitters used to activate device ...