2009 GMC Acadia Owner's Manual - Page 220

3-98 Instrument Panel CD-R or CD-RW disc. The radio can begin playing while it is scanning the disc in the background. When the scan is finished, the CD-R or CD-RW begins playing again. Once the disc has scanned, the player defaults to playing MP3/WMA files in order by artist. The current artist playing is shown on the second line of the display between the arrows. Once all songs by that artist are played, the player moves to the next artist in alphabetical order on the CD-R or CD-RW and begins playing MP3/WMA files by that artist. To listen to MP3/WMA files by another artist, press the pushbutton located below either arrow button. The player goes to the next or previous artist in alphabetical order. Continue pressing either button until the desired artist is displayed. To change from playback by artist to playback by album, press the pushbutton located below the Sort By label. From the sort screen, push one of the buttons below the album button. Press the pushbutton below the back label to return to the main music navigator screen. Now the album name is displayed on the second line between the arrows and songs from the current album begins to play. Once all songs from that album are played, the player moves to the next album in alphabetical order on the CD-R or CD-RW and begins playing MP3/WMA files from that album. To exit music navigator mode, press the pushbutton below the Back label to return to normal MP3/WMA playback. RDM (Random): With the random setting, MP3/WMA files on the CD-R or CD-RW can be listened to in random, rather than sequential order. To play MP3/WMA files from the CD-R or CD-RW in random order, press the pushbutton positioned under the RDM label until Random Current Disc displays. Press the same pushbutton again to turn off random play. h (Music Navigator): Use the music navigator feature to play MP3/WMA files on the CD-R or CD-RW in order by artist or album. Press the pushbutton located below the music navigator label. The player scans the disc to sort the files by artist and album ID3 tag information. It could take several minutes to scan the disc depending on the number of MP3/WMA files recorded to the