VEHICHLE WAS STOPPED FOR TRAFFIC ON INTERSTATE. VEHICLE FOLLOWING FAILED TO STOP REAR ENDING THE CAR AND PUSHING IT INTO VEHICLE IN FRONT. SEAT BACK RACHET ASSEMBLY FAILED CAUSING SEAT BACK TO RECLINE COMPLETELY BACK. AS A RESULT I RECEIVED TOTAL BODY WHIPLASH AND AM UNDERGOING TREATMENT FOR A HERNIATED DISK IN MY LOWER BACK.*AK