TL*THE DRIVER OWNED A 2010 TOYOTA PRIUS. THE CONTACT STATED THE DRIVER CRASHED INTO ANOTHER VEHICLE, AT 35 MPH. AS A RESULT OF THE ACCIDENT, THE VEHICLE WAS DESTROYED AND THE REAR PASSENGER WAS KILLED DUE TO A SEVERE NECK INJURY. THE CONTACT BELIEVED THE HEAD RESTRAINT WAS NOT POSITIONED PROPERLY. THE CONTACT CALLED THE MANUFACTURER, BUT RECEIVED NO RESPONSE REGARDING THE HEAD RESTRAINT. THE FAILURE MILEAGE WAS UNKNOWN. UPDATED 03/15/11*LJ