Pontiac Solstice 2008 Owner's Manual page 160

Playlists can be changed by using the previous and
next folder buttons, the tuner knob, or the seek buttons.
An MP3 CD-R or CD-RW that was recorded using no
file folders can also be played. If a CD-R or CD-RW
contains more than the maximum of 50 folders,
50 playlists, and 255 files, the player lets you access
and navigate up to the maximum, but all items over
the maximum are not accessible.
Root Directory
The root directory of the CD-R or CD-RW 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
prior to any root directory folders. However, playlists (Px)
are always accessed before root folders or files.
Empty Directory or Folder
If a root directory or a folder exists somewhere in
the file structure that contains only folders/subfolders
and no compressed files directly beneath them,
the player advances to the next folder in the file
structure that contains compressed audio files.
The empty folder does not display.
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No Folder
When the CD-R or CD-RW contains only compressed
files, the files are located under the root folder. The next
and previous folder functions are not displayed on a
CD-R or CD-RW that was recorded without folders or
playlists. When displaying the name of the folder the
radio displays ROOT.
When the CD-R or CD-RW contains only playlists and
compressed audio files, but no folders, all files are
located under the root folder. The folder down and the
folder up buttons search playlists (Px) first and then
goes to the root folder. When the radio displays
the name of the folder, the radio displays ROOT.
Order of Play
Tracks recorded to the CD-R or CD-RW are played in
the following order:
•
Play begins from the first track in the first playlist
and continues sequentially through all tracks in
each playlist. When the last track of the last playlist
has played, play continues from the first track of
the first playlist.
•
Play begins from the first track in the first folder
and continues sequentially through all tracks in
each folder. When the last track of the last folder
has played, play continues from the first track of
the first folder.