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:
Shifting Into Four-Wheel Drive Low
When Four-Wheel Drive Low is engaged, vehicle speed should be kept below 72 km/h (45 mph).
Extended high-speed operation in Four-Wheel Drive Low may damage or shorten the life of the drivetrain.
To ...
How the System Works
URPA comes on automatically when the shift lever is moved into R (Reverse). A single tone sounds to indicate the system is working.
URPA operates only at speeds less than 8 km/h (5 mph).
An obstacle ...
Vehicle Overview
The 2011 GMC Yukon is the middle child among GM's full-size SUVs. Based on
price and equipment, the Yukon sits squarely between the Chevrolet Tahoe and
Cadillac Escalade. Four-wheel drive is avail ...





