2010 GMC Acadia Owner's Manual - Page 202

7-14 Infotainment System . CD Messages CHECK DISC: Radios with a Single CD player display CHECK DISC and/or ejects the CD if 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. . There could have been a problem while burning the CD. The label could be caught in the CD player. . 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/retailer. If the radio displays an error message, write it down and provide it to your dealer/retailer 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. If the ignition or radio is turned off, while a CD is in the player, it stays in the player. When the ignition or radio is turned on, the CD starts playing where it stopped, if it was the last selected audio source. The CD is controlled by the buttons on the radio faceplate or by the RSA unit. See Rear Seat Audio (RSA) System on page 7‑44 for more information. The DVD/CD decks, (upper slot is the DVD deck and the lower slot is the CD deck) of the radio are compatible with most audio CDs, CD-R, CD-RW, and MP3/WMAs. When a CD is inserted, the text label DVD or CD symbol displays on the left side of the radio display. As each new track starts to play, the track number displays. CD/DVD Player Playing a CD (In Either the DVD or CD Slot) Insert a CD partway into the slot, label side up. The player pulls it in and the CD should begin playing (loading a disc into the system, depending on media type and format ranges from 5 to 20 seconds for a CD, and up to 30 seconds for a DVD to begin playing). . . Z CD (Eject): . Press and release to eject the disc that is currently playing. The disc ejects from the bottom slot. A beep sounds and Ejecting Disc displays. Once the disc is ejected, Remove Disc displays. The disc can be removed.