The contact owns a 2024 Honda Ridgeline. The contact stated that while driving at 55 MPH, there was an extremely loud banging noise detected, and the sunroof exploded upward and outward without warning or impact. The driver and his wife sustained a piercing, ringing sound in the ears, but medical attention was not provided. The local dealer was contacted, where it was diagnosed, but they were unable to determine the cause of the failure. The vehicle was not repaired. The manufacturer was contacted, but no assistance was provided. The approximate failure mileage was 12,246.