TL*THE CONTACT OWNS A 2010 KIA OPTIMA. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 45 MPH, ANOTHER VEHICLE UNEXPECTEDLY CRASHED INTO THE REAR OF THE VEHICLE WHICH CAUSED IT TO TRAVEL OVER A CONCRETE LANE DIVIDER. THE TRUNK SPACE AREA WAS CRUSHED UP AGAINST THE REAR SEATS IN THE VEHICLE. THE SUBSTANTIAL IMPACT DID NOT CAUSE THE AIR BAGS TO DEPLOY. THE DRIVER SUFFERED FROM SEVERE WHIPLASH AND BACK PAIN. A POLICE REPORT WAS FILED OF THE INCIDENT. THE VEHICLE WAS COMPLETELY DESTROYED AND TOWED TO A SAVAGE FACILITY. THE MANUFACTURER WAS NOTIFIED OF THE AIR BAG DEFECT. THE APPROXIMATE FAILURE MILEAGE WAS 40,008. UPDATED 12/11/12*LJ UPDATED 12/14/2012 *JS