Certain automatic’s are approved for towing behind an RV, the process depends on the vehicle but on a Ranger it’s as follows (From the Good Sam 2020 Dinghy guide)
Special Procedures: Put the vehicle in neutral tow for recreational towing by placing the transfer case in its neutral position and engaging the fourwheel-down towing feature. Flat towing requires following the very detailed and involved instructions outlined in the owner’s manual.