CD-R or CD-RW Supported File and Folder Structure

The radio supports:
• Up to 50 folders.
• Up to eight folders in depth.
• Up to 15 playlists.
• Up to 512 files and folders.
• Playlists with an .m3u or .wpl extension.
• Files with an .mp3, .wma, or .cda file extension.

    See also:

    Root Directory
    The root directory of the disc is treated as a folder. If the root directory has compressed audio files, the directory displays as F1 ROOT on the radio. If a disc contains both uncompressed CD audio ...

    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 ...

    Entering the Feature Settings Menu
    1. Turn the ignition on and place the vehicle in P (Park). To avoid excessive drain on the battery, turn the headlamps off. 2. Press the customization button to scroll through the available customiz ...