Black plate (106,1)Cadillac STS Owner Manual - 2011Playing an MP3 CD-R DiscRadios with the MP3 feature are capable of playing anMP3 CD-R disc. For more information on how to play anMP3 CD-R disc, see Using an MP3 on page 4‑108 laterin this section.Care of CDsThe sound quality of the CD player can be reducedbecause of:. The CD‐R quality.. The method of recording the CD‐R.. The quality of the music that has been recorded onthe CD‐R.. The way the CD‐R has been handled.Store CDs in their original cases or other protectivecases and away from dust and direct sunlight. The CDplayer scans the bottom surface of the disc. If thesurface of a CD is damaged, such as cracked, broken,or scratched, the CD may not play properly or at all. Donot touch the bottom side of a CD while handling it; thiscould damage the surface. Pick up CDs by grasping theouter edges or the edge of the hole and the outer edge.To clean a CD, use a soft lint free cloth, or dampen aclean soft cloth in a mild neutral detergent solutionmixed with water. Wipe the CD from the center tothe edge.Care of the CD PlayerUse a marking pen to identify CDs, do not add labels.Do not use CD lens cleaners, they could damage theCD player.Notice: If a label is added to a CD, or more than oneCD is inserted into the slot at a time, or an attemptis made to play scratched or damaged CDs, theCD player could be damaged. While using the CDplayer, use only CDs in good condition without anylabel, load one CD at a time, and keep the CD playerand the loading slot free of foreign materials,liquids, and debris.If an error displays, see “CD Messages” later in thissection.CD MessagesIf the CD ejects, it could be for one of the followingreasons:. The CD player is very hot. When the temperaturereturns to normal, the CD should play.. The road is very rough. When the road becomessmoother, the CD should play.. The CD is dirty, scratched, wet, or upside down.4-106