Tl* the contact owns a 2012 gmc sierra 1500. while attempting to connect the driver's seat belt to the connector, the seat belt failed to connect. in addition, the passenger seat belt failed to disconnect from the connector. the vehicle was taken to a dealer where it was diagnosed that the seat belt needed to be repaired. the vehicle was not repaired. the manufacturer was notified of the failure. the approximate failure mileage was 52,000.