I WAS SITTING IN MY CAR WITH THE EMERGENCY BREAK ENGAGED WHEN MY CAR STARTED TO ROLL BACK DOWN MY DRIVEWAY. NO MATTER HOW HARD I TRIED I COULD NOT PUSH THE BREAK IN AND THE EMERGENCY BREAK WAS ON THE ENTIRE TIME. MY DOOR IS NOW CRUNCHED UP FROM ROLLING BACK INTO A TREE. IT WENT ALL THE WAY DOWN MY DRIVEWAY, ACROSS THE STREET AND INTO MY NEIGHBORS YARD BEFORE MY HUSBAND WAS ABLE TO GET IT TO STOP BY PUSHING THE BREAK PEDAL AS HARD AS HE COULD. I BRUISED MY SHOULDER TRYING TO GET OUT OF THE CAR WHILE IT WAS ROLLING AWAY.