TL* THE CONTACT OWNS A 2012 GMC TERRAIN. WHILE DRIVING 55 MPH, THE CONTACT STRUCK A DEER. THE DRIVER'S SIDE AIR BAG FAILED TO DEPLOY. THE CONTACT STATED THAT THE IMPACT WAS ON THE PASSENGER SIDE OF THE VEHICLE. THE CONTACT STATED THAT THE SERVICE AIR BAG WARNING INDICATOR WAS ILLUMINATED. A POLICE REPORT WAS NOT FILED AND THERE WERE NO INJURIES. THE CONTACT STATED THAT THERE WAS AN ODOR FROM THE AIR BAG PROPELLANT EVEN THOUGH THE AIR BAGS FAILED TO DEPLOY. THE CONTACT STATED THAT THE SEAT BELT OPERATED AS INTENDED; HOWEVER, THE SEAT BELT SEIZED IN POSITION AND WOULD NOT RETRACT EVEN AFTER THE VEHICLE WAS TURNED OFF. THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC, BUT HAD NOT BEEN DIAGNOSED. NEITHER THE DEALER NOR THE MANUFACTURER WERE CONTACTED. THE APPROXIMATE FAILURE MILEAGE WAS 100,000.