See also:

Playing an MP3 CD-R Disc
Your vehicle’s radio system may have the MP3 feature. If it has this feature, it is capable of playing an MP3 CD-R disc. For more information on how to play an MP3 CD-R disc. ...

Root Directory
The root directory is treated as a folder. If the root directory has compressed audio files, the directory displays as F1 ROOT. All files contained directly under the root directory are accessed p ...

Empty Directory or Folder
If a root directory or folder is empty or contains only folders, the player advances to the next folder in the file structure that contains a compressed audio file. The empty folder(s) are n ...