The contact owns a 2014 Hyundai Sonata. The contact stated that while attempting to replace the rear taillight blubs, she had noticed that the bulbs had melted into the connectors which results in loss of rear taillight use. The vehicle was taken to a local dealer where it was diagnosed with needing a taillight wiring harness replaced but was not repaired. The manufacturer was not informed of the failure. The failure mileage was approximately 89,000.