TL* THE CONTACT OWNS A 2009 CHRYSLER ASPEN. THE CONTACT STATED THAT ANOTHER VEHICLE CRASHED INTO THE REAR OF THE VEHICLE. UPON IMPACT, THE PASSENGER'S SIDE REAR SEAT BELT FAILED TO ENGAGE AND CAUSED THE PASSENGER'S HEAD TO STRIKE THE SEAT. THE PASSENGER SUSTAINED A CONCUSSION AND WHIPLASH. A POLICE REPORT WAS NOT FILED. THE VEHICLE WAS TAKEN TO THE DEALER WHERE THE FAILURE COULD NOT BE DIAGNOSED. THE MANUFACTURER WAS CONTACTED ABOUT THE FAILURE. THE FAILURE MILEAGE WAS 45,900. UPDATED 7/9/14*CN THE CONSUMER STATED THE PASSENGER CONTINUED TO EXPERIENCE ON-GOING HEADACHES. UPDATED 07/11/2014 *JS