2009 GMC Acadia Owner's Manual - Page 224

3-102 Instrument Panel Z DVD (Eject): Press and release this button to eject the CD-R or CD-RW that is currently playing in the top slot. A beep sounds and Ejecting Disc displays. Once the disc is ejected, Remove Disc displays. The CD-R or CD-RW disc can be removed. If the CD-R or CD-RW disc is not removed, after several seconds, the CD-R or CD-RW disc automatically pulls back into the player. If loading and reading of a CD cannot be completed, such as unknown format, etc., and the disc fails to eject, press and hold this button for more than five seconds to force the disc to eject. f (Tune): Turn this knob to select MP3/WMA files on the CD-R or CD-RW that is currently playing. ©SEEK ¨: Press the left SEEK arrow to go to the start of the current MP3/WMA file, if more than five seconds have played. If less than five seconds have played, the previous MP3/WMA file plays. 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 the MP3/WMA files on the CD. S c (Previous Folder): Press the pushbutton positioned under the Folder label to go to the first track in the previous folder. s REV (Reverse): 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. \ 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. 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. c T (Next Folder): Press the pushbutton positioned under the Folder label to go to the first track in the next folder.