2009 GMC Acadia Owner's Manual - Page 219

Instrument Panel File System and Naming The song name that displays is the song name that is contained in the ID3 tag. If the song name is not present in the ID3 tag, then the radio displays the file name without the extension (such as .mp3) as the track name. Track names longer than 32 characters or four pages are shortened. Parts of words on the last page of text and the extension of the filename does not display. Preprogrammed Playlists Preprogrammed playlists that were created using WinAmp™, MusicMatch™, or Real Jukebox™ software can be accessed, however, they cannot be edited using the radio. These playlists are treated as special folders containing compressed audio song files. Playing an MP3/WMA Insert a CD-R or CD-RW disc partway into the slot label side up. The player pulls it in, and the CD-R or CD-RW should begin playing. 3-97 S c (Previous Folder): Press the pushbutton positioned under the Folder label to go to the first track in the previous folder. c T (Next Folder): Z EJECT: Press to eject the disc. f (Tune): Turn to select MP3/WMA files on the CD-R or CD-RW currently playing. ©SEEK ¨: Press the left SEEK arrow to go to the start of the current MP3/WMA file, if more than ten seconds have played. Press the right SEEK arrow to go to the next MP3/WMA file. If either SEEK arrow is held or pressed multiple times, the player continues moving backward or forward through MP3/WMA files on the CD. Press the pushbutton positioned under the Folder label to go to the first track in the next folder. Press and hold this button to reverse playback quickly within an MP3/WMA file. Sound is heard at a reduced volume. Release this button to resume playing the file. The elapsed time of the file displays. s REV (Reverse): \ FWD (Fast Forward): Press and hold this button to advance playback quickly within an MP3/ WMA file. Sound is heard at a reduced volume. Release this button to resume playing the file. The elapsed time of the file displays.