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:
Driving on Hills
Driving safely on hills requires good judgment and an understanding of what the vehicle can and cannot do.
WARNING
If the vehicle has the two-speed automatic transfer case, shifting the transfer cas ...
Flash-to-Pass
The flash&-to&-pass feature works with the low beams or Daytime Running Lamps
(DRL) on or off.
To flash the high beams, pull the turn signal/lane change lever all the way toward
you, then ...
Customer Assistance Offices (U.S. and Canada)
GMC encourages customers to call the toll-free number for assistance.
However, if a customer wishes to write or e-mail GMC, the letter should be addressed to:
United States
GMC Customer Assistance ...





