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:

    Storing and Deleting Phone Numbers
    The system can store up to 30 phone numbers as name tags in the Hands-Free Directory that is shared between the Bluetooth and OnStar systems, if equipped. The following commands are used to delete an ...

    Engine Air Cleaner/Filter
    If the vehicle has a diesel engine, see “Pickup Models” under “Engine Air Cleaner/Filter” in the Duramax® Diesel Supplement for the correct inspection and replacement procedures. See Engine ...

    Engine Coolant Temperature Gauge
    Metric English This gauge shows the engine coolant temperature. Under normal driving conditions the gauge will read approximately 100°C (210°F) or less. If the gauge pointer is near 125°C (26 ...