The contact owns a 2021 Hyundai Palisade. The contact stated that while the vehicle was parked, the contact attempted to fasten the rear passengers seat belt, and the seat belt failed to retract. The vehicle was taken to a dealer, where it was diagnosed that the seat belt buckle had an internal failure and needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure, and the contact was informed that there were no recalls on the VIN for the seat belt. The approximate failure mileage was 82,500.