See also:

Root Directory
The root directory is treated as a folder. All files contained directly under the root directory are accessed prior to any root directory folders. ...

Automatic Operation
AUTO (Automatic Fan): When AUTO is selected on the fan control, the system automatically adjusts the fan speed. If the OnStar® system is activated when this position is selected, the fan speed ...

Compressed Audio
The radio also plays discs that contain both uncompressed CD audio (.CDA files) and MP3 files. By default the radio reads only the uncompressed audio and ignore the MP3 files. Pressing the CAT bu ...