CD Messages
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:
Add-on Electrical Equipment
The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment on page 9‑112. Added electrical equipment ma ...
Treadwear
The treadwear grade is a comparative rating based on the wear rate of the tire when tested under controlled conditions on a specified government test course. For example, a tire graded 150 would wear ...
Doing Your Own Service Work
WARNING
It can be dangerous to work on your vehicle if you do not have the proper knowledge, service manual, tools, or parts. Always follow owner manual procedures and consult the service manual for ...





