Interesting........I googled this issue and found:

Nissan 2009 GT-R Vehicle Dynamic Control (VDC) Transmission Class Action Lawsuit Settlement | ClassActionLawsuitsInTheNews

So Nissan will only honor a trans warranty claim if you had the VDC off while attempting to get out of mud or snow, yet all of their performance claims are based on having the VDC in the off mode. That's pretty sh*tty.