TL* THE CONTACT OWNS A 2009 MITSUBISHI LANCER. THE CONTACT STATED THAT AFTER PARKING THE VEHICLE, THE PASSENGER'S SIDE SEAT BELT FAILED TO RETRACT AFTER THE PASSENGER UNLOCKED THE SEAT BELT. THE VEHICLE WAS TAKEN TO THE DEALER FOR DIAGNOSIS WHERE IT WAS STATED THE SEAT BELT UNIT NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED BUT THE PROBLEM PERSISTED. THE MANUFACTURER WAS NOTIFIED. THE APPROXIMATE FAILURE MILEAGE WAS 120,000.