See also:

Manual Lumbar
Manual Lumbar If equipped, increase or decrease manual lumbar support by turning the knob forward or rearward. ...

If the Vehicle Is Stuck
Slowly and cautiously spin the wheels to free the vehicle when stuck in sand, mud, ice, or snow. If stuck too severely for the traction system to free the vehicle, turn the traction system off an ...

Safety
The National Highway Traffic Safety Administration gave the 2007 Yukon a five-star frontal crash-test rating; it hasn't done a side-impact test as of this writing. Rollover ratings were listed at ...