2008 GMC Sierra 1500 Pickup Owner's Manual - Page 241

Z CD (Eject): Press and release this button to eject the CD-R or CD-RW that is currently playing in the bottom slot. A beep sounds and Ejecting Disc displays. Once the disc is ejected, Remove Disc displays. The CD-R or CD-RW can be removed. If the CD-R or CD-RW is not removed, after several seconds, the CD-R or CD-RW 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. © 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. Sc (Previous Folder): Press the pushbutton positioned under the Folder label to go to the first track in the previous folder. cT(Next Folder): Press the pushbutton positioned under the Folder label to go to the first track in the next folder. 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 can be removed. If the CD-R or CD-RW is not removed, after several seconds, the CD-R 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. sREV (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. 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. \FWD (Fast Forward): f (Tune): Turn this knob to select MP3/WMA files on the CD-R or CD-RW that is currently playing. 3-105