1994 GMC Jimmy Owner's Manual - Page 210

When your vehicleis being towed, have the ignition key off. steering The wheel should be clamped in a straight-ahead position with a clamping device designed for towing service. Do not use the vehicle's steering column lockfor this. The transmission (either automatic or manual) should be in " N ' (Neutral) and the transfer case (either manual shiftor electronic shift), ifyou have one, shouldbe in 2 WHEEL (two-wheel drive). The parking brake should released. be 5-8