I am trying to figure out how to tow my truck. I follow the directions in the owners manual, but it does not keep the steering wheel unlocked. The manual gives the following directions: Parking brake on-foot on brake pedal-push both the 2high&4low at the same time, hold for 10 seconds and it shifts the transfer case into neutral,then put the shift lever into R for one (1)second, the into D for one (1)second, then into park. This works, but still does not l