CD Messages
Check Disc: Radios with a single CD player display Check Disc and/or eject 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.
• 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.
• There was a problem while burning the CD.
• The label is 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 the radio displays an error message, write it down and provide it to your dealer when reporting the problem.
See also:
Theft-Deterrent Feature
TheftLock® is designed to discourage theft of the vehicle's radio by learning a portion of the Vehicle Identification Number (VIN).
The radio does not operate if it is stolen or moved to a different ...
Cellular Phone Usage
Cellular phone usage may cause interference with the vehicle's radio.
This interference may occur when making or receiving phone calls, charging the phone's battery, or simply having the phone on. Th ...
Roadside Assistance Program
As the owner of a new GMC, you are automatically enrolled in the Roadside Assistance
program. See Roadside Assistance Program (U.S. and Canada) on page 13‑7 or Roadside
Assistance Program (M ...





