enoniam said:I believe you need to remove the rear drive shaft and if 4x4 put the transfer case in neutral. Should be in the owner's manual.
AV 2500 said:I have towed mine a couple times. Just hitch it up to the tow vehicle and put the transfer case in neutral. Their is no longer a stearing lock so once you have the transfer case in neutral you can turn your avalanche off and remove the key.