Error Messages
If Disc Error displays and/or the disc comes out, it could be for one of the following reasons:
○ The disc has an invalid or unknown format.
○ The disc is very hot. Try the disc again when the temperature returns to normal.
○ The road is very rough. Try the disc again when the road is smoother.
○ The disc is dirty, scratched, wet, or upside down.
○ The air is very humid. Try the disc again later.
○ There was a problem while burning the disc.
○ 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 continues, contact your dealer.
See also:
Immobilizer
See Radio Frequency Statement on page 13‑22 for information regarding Part 15 of the Federal Communications Commission (FCC) rules and Industry Canada Standards RSS-GEN/210/220/310. ...
Reporting Safety Defects to General Motors
In addition to notifying NHTSA (or Transport Canada) in a situation like this, please notify General Motors.
Call 1-800-GMC-8782 (1-800-462-8782), or write:
GMC Customer Assistance Center
P.O. Box ...
When to Add Engine Oil
If the oil is below the cross-hatched area at the tip of the dipstick, add 1 L (1 qt) of the recommended oil and then recheck the level. See “Selecting the Right Engine Oil” in this section for ...





