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:
Wheel Alignment
Wheel alignment is critical for ensuring that the tires deliver optimal wear and performance.
• Signs that the alignment may need to be adjusted include pulling, improper vehicle handling, or unusu ...
Instantaneous Economy and Active Fuel Management™ Indicator
If the vehicle has this display, press the trip/fuel button until INST ECON V8 displays. This display shows the current fuel economy at a particular moment and will change frequently as driving condit ...
Online Owner Center
GMC Owner Center (U.S.) www.gmcownercenter.com
Information and services customized for your specific vehicle — all in one convenient place.
• Digital owner manual, warranty information, and more ...





