The contact owns a 2022 Ram 2500. The contact stated that upon pulling the rear middle seat belt to secure the car seat in the rear middle seat, the contact noticed that the rear middle seat belt locking or retracting mechanism was inoperable, causing the seat belt to continuously extend. The vehicle was taken to the dealer, where it was determined that the middle rear seat belt was operating as designed, and the dealer informed the contact that the middle rear seat belt was not designed as the outer rear seat belts. The vehicle was not diagnosed or repaired. The contact was concerned for the safety of his three children. The manufacturer was notified of the failure and informed the contact that the failure would be escalated. The failure mileage was approximately 21,000.