The contact owns a 2018 Toyota Highlander equipped with a tow package. The contact stated that after taking the vehicle in for service, he made the dealer aware that on the passengerâs side rear of the vehicle where the muffler tip came out from underneath the vehicle that the plastic piece above the muffler was melted from exhaust heat coming from the muffler while towing his trailer. The dealer documented the incident and forwarded the findings to the manufacturer. The contact did not receive a callback, so he contacted the dealer and was informed that the vehicle was out of warranty and therefore there was nothing to pursue. The contact was concerned that there would be severe damage done to the bumper and wiring harness from the exhaust heat. The manufacturer was made aware of the failure. The contact was still awaiting a response from the manufacturer. The vehicle was not repaired. The failure mileage was approximately 40,000. The VIN was not available.