2012 GMC Sierra Owner's Manual - Page 231

Infotainment System To change from playback by artist to playback by album: 1. Press the softkey located below the Sort By tab. 2. Press one of the softkeys below the Album tab from the sort screen. 3. Press the softkey below the Back tab to return to the main music navigator screen. The album name displays on the second line between the arrows, and songs from the current album begin to play. Once all songs from that album have played, the player moves to the next album in alphabetical order on the CD and begins playing MP3s from that album. To exit music navigator mode, press the softkey below the Back tab to return to normal MP3 playback. 7-21 CD Player Messages CHECK DISC: If this message displays and/or the CD ejects, it could be for one of the following reasons: . If the CD is not playing correctly, for any other reason, try a known good CD. If any error occurs repeatedly or if an error cannot be corrected, contact your dealer. If the radio displays an error message, write it down and provide it to your dealer when reporting the problem. It is very hot. When the temperature returns to normal, the CD should play. The road is very rough. When the road becomes smoother, the CD should play. The CD is dirty, scratched, wet, or upside down. The air is very humid. If so, wait about an hour and try again. There was a problem while burning the CD. The label is caught in the CD player. . CD/DVD Player Care of the CD and DVD Player Do not add any label to a disc. It could get caught in the CD or DVD player. If a disc is recorded on a personal computer and a description label is needed, try labeling the top of the recorded disc with a marking pen. . . . .