(1) I LOADED SOME WOOD IN THE BACK OF MY DURANGO. (2) AS I WAS BRAKING TO A STOP, THE REAR SEAT COLLAPSED FORWARD, PINNING MY CHILD IN HER CAR SEAT AGAINST THE BACK OF THE SEAT IN FRONT OF HER. (3) NOTHING. I JUST UNLOADED THE MATERIAL I WAS CARRYING AND LEFT IT.