2008 Chevrolet Avalanche Owner's Manual - Page 260

If a playback device is plugged into the radio's front auxiliary input jack or the rear auxiliary jack, the front seat passengers are able to listen to playback from this source through the vehicle speakers. See "Using the Auxiliary Input Jack(s)" later in this section, or "Audio/Video (A/V) Jacks" under, Rear Seat Entertainment (RSE) System on page 3-101 for more information. In some vehicles, depending on audio options, the rear speakers can be muted when the RSA power is turned on. See Rear Seat Audio (RSA) on page 3-110 for more information. CD Messages CHECK DISC: Radios with a Single CD player or radios with a Six-Disc player displays CHECK DISC and/or ejects the CD if an error occurs. Radios with a CD and DVD player could display other messages when an error occurs: Optical Error: The disc was inserted upside down. Disk Read Error: A disc was inserted with an invalid or unknown format. Player Error: There are disc LOAD or disc EJECT problems. Playing an MP3 CD-R or CD-RW Disc Radios with a Single CD or a Six-Disc CD player have the capability of playing an MP3 CD-R or CD-RW disc. For more information on how to play an MP3 CD-R or CD-RW disc, see "Using an MP3" in the index. • It is very hot. When the temperature returns to normal, the CD should play. • You are driving on a very rough road. When the road becomes smoother, the CD should play. Playing an MP3/WMA CD-R or CD-RW Disc Radios with a CD and DVD player have the capability of playing an MP3/WMA CD-R or CD-RW disc. For more information on how to play an MP3/WMA CD-R or CD-RW disc, see "Using an MP3" in the index. • The CD is dirty, scratched, wet, or upside down. • The air is very humid. If so, wait about an hour and try again. • There could have been a problem while burning the CD. • The label could be caught in the CD player. 3-84