2005 Buick LaCrosse Owner's Manual - Page 231

CD Messages CHECK CD: If this message appears on the display and/or the CD comes out, it could be for one of the following reasons: Theft-Deterrent Feature THEFTLOCK® is designed to discourage theft of your vehicle's radio. The feature works automatically by learning a portion of the Vehicle Identification Number (VIN). If the radio is moved to a different vehicle, it will not operate and LOC or LOCKED will appear on the display. With THEFTLOCK® activated, the radio will not operate if stolen. • 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. • The CD is dirty, scratched, wet, or upside down. • The air is very humid. If so, wait about an hour and try again. • There may have been a problem while burning the CD. • The label may 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 GM dealer. If the radio displays an error message, write it down and provide it to your GM dealer when reporting the problem. 3-117