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:
Customer Assistance for Text Telephone (TTY) Users (U.S. and Canada)
To assist customers who are deaf, hard of hearing, or speech impaired and who use Text Telephones (TTYs), GMC has TTY equipment available at its Customer Assistance Center. Any TTY user can communicat ...
Heated Mirrors
For vehicles with heated mirrors:
The heated outside rearview mirrors turn on when the rear window defogger is
on and help to clear fog or frost from the surface of the mirrors.
(Rear Window Defo ...
Tire Rotation
Tires should be rotated every 12 000 km (7,500 mi). See Maintenance Schedule
on page 11‑3.
Tires are rotated to achieve a uniform wear for all tires. The first rotation
is the most importan ...