2004 GMC Canyon Owner's Manual - Page 191

CD Messages CHECK CD: If this message appears on the radio display, it could be for one of the following reasons: Theft-Deterrent Feature (Non-RDS Radios) THEFTLOCK® is designed to discourage theft of your 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 will appear on the display. With THEFTLOCK® activated, your 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 smooth, 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. Theft-Deterrent Feature (RDS Radios) THEFTLOCK® is designed to discourage theft of your 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 LOCKED will appear on the display. When the radio and vehicle are turned off, the blinking red light indicates that THEFTLOCK® is armed. With THEFTLOCK® activated, your radio will not operate if stolen. • 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 dealer. If your radio displays an error message, write it down and provide it to your dealer when reporting the problem. 3-67