2002 GMC Sonoma Owner's Manual - Page 198

Compact Disc Messages If the disc comes out, it could be for one of the following reasons: D If you're driving on a very rough road. When the road becomes smooth the disc should play. normal, the disc should play. AM-FM Stereo with Six-Disc Compact Disc Player with Programmable Equalization and Radio Data System (RDS) (If Equipped) D If it's very hot. When the temperature returns to D The disc is upside down. D It is dirty, scratched or wet. D The air is very humid. (If so, wait about an hour and try again.) D 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 can't be corrected, contact your dealer. Playing the Radio PWR (Power): Push this knob to turn the system on and off. VOLUME: Turn the knob clockwise to increase volume. Turn it counterclockwise to decrease volume. 3-44