The contact owns a 2003 Honda Accord. The contact stated that while driving at 70 MPH on Interstate 64 East, traveling through a construction zone, an unknown vehicle passed him and asphalt flew in the air, striking and cracking the front windshield. After fifteen to twenty minutes, the side air bags deployed. Then, a few seconds later, the steering wheel and front air bags deployed without impact or warning. There were no warning lights illuminated. There was an unknown abnormal alarm that was engaged. The contact was able to pull over safely. The contact disconnected the battery. The contact sustained a chemical burn to the left arm, but medical attention was not provided. There was no fire, crash, or police report filed. The vehicle was towed to the local dealer, who was unable to determine the failure. The vehicle was not diagnosed or repaired. The manufacturer was contacted, who opened a case, but no additional assistance was provided. The insurance company determined that the seat pre-tensioner failed to lock up. The failure mileage was approximately 86,822.