TL* THE CONTACT OWNED A 2000 CHEVROLET SILVERADO 1500. WHILE DRIVING APPROXIMATELY 80 MPH, THE CONTACT'S VEHICLE CRASHED INTO THE REAR OF A SEMI TRUCK. BOTH THE FRONT DRIVER AND PASSENGER SIDE AIR BAGS DEPLOYED. THE CONTACT INDICATED THAT THE FRONT PASSENGER SIDE AIR BAG DEPLOYED ALTHOUGH IT WAS DEACTIVATED VIA THE AIR BAG DEACTIVATION SWITCH LOCATED ON THE LOWER MIDDLE SECTION OF THE DASHBOARD. NO INJURIES WERE REPORTED. A POLICE REPORT WAS FILED. THE VEHICLE WAS DESTROYED AND TOWED. THE VEHICLE WAS NOT DIAGNOSED. THE MANUFACTURER AND LOCAL DEALER WERE NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 200,000.