VEHICLE CAME WITH TOW HITCH SYSTEM FROM THE MANUFACTURER. WHILE USING A TRAILER HITCH THE HEAT FROM THE EXHAUST MELTED THE BACK END OF THE CAR, HEATED UP THE CARGO HITCH TO THE POINT OF MAKING IT HARD TO REMOVE FROM CAR, AND MELTING THE CARGO WEATHER PROOF BAG. THIS HAPPENED WITHIN A 2.5HR TRIP.