WE RENTED THIS CARAVAN WHILE ON VACATION IN DESTIN. ON OUR WAY TO RETURN IT, THIS PAST MONDAY, I WAS SITTING ON THE DRIVER SIDE SECOND ROW SEAT. I WANTED TO RECLINE MY SEAT A BIT ,SO I REACHED MY LEFT HAND DOWN TO PULL THE LEVER AT THE BOTTOM DOOR SIDE OF THE SEAT. INSTEAD OF THAT BEING WHERE A RECLIING LEVER WOULD NORMALLY BE, IT WAS THE LEVER FOR FLIPPING THE ENTIRE SEAT UP AND SNAPPING DOWN THE HEADREST. IT FORCED ME INTO A FORWARD FOLDED POSITION WITH GREAT FORCE, THEN THE HEADREST SNAPPED DOWN ON MY NECK. I WAS DIAGNOSED WITH EXTREME WHIPLASH AND TORN MUSCLES. IM HAVING MIGRAINES DUE TO THE INJURY AND PAIN IN MY HEAD, NECK, SHOULDERS AND BACK. MY CONCERN IS THAT IF A CHILD WOULD HAVE DONE THE SAME THING IT MAY HAVE SERIOUSLY INJURED THEM OR EVEN KILLED THEM. THIS IS A VERY BAD DESIGN AND NEEDS TO BE RECONFIGURED.