TL* THE CONTACT OWNED A 2005 CADILLAC SRX. WHILE DRIVING APPROXIMATELY 45 MPH, A SECOND VEHICLE CRASHED INTO THE PASSENGER SIDE OF THE CONTACT'S VEHICLE. THE CONTACT LOST CONTROL OF THE STEERING AND CRASHED HEAD ON INTO AN ONCOMING SEMI TRUCK. THE CONTACT'S VEHICLE WAS DESTROYED AND THE FRONT END WAS SEVERELY DAMAGED; HOWEVER, THE AIR BAGS DID NOT IMMEDIATELY DEPLOY. THE CONTACT INDICATED THAT THE AIR BAG DEPLOYED MOMENTS AFTER THE COLLISION OCCURRED. THE DRIVER SUSTAINED FACIAL LACERATIONS AND CONTUSIONS ALONG WITH CONTUSIONS AND ABRASIONS TO THE ARMS, LEGS, AND TORSO. A POLICE REPORT WAS FILED AND THE VEHICLE WAS TOWED AWAY. THE CAUSE OF THE FAILURE WAS NOT DETERMINED. THE LOCAL DEALER AND MANUFACTURER WERE NOT NOTIFIED OF THE FAILURE. THE VIN WAS NOT AVAILABLE. THE FAILURE MILEAGE WAS 152,000.