I DROVE INTO MY DRIVEWAY A SHORT DISTANCE AND PUT THE JEEP INTO PARK. I GOT OUT OF THE JEEP WALKED BEHIND IT TO GO GET THE MAIL, BEFORE I REACHED THE MAILBOX I NOTICED THAT THE JEEP HAD STARTED ROLLING BACKWARDS. IT ROLLED ACROSS THE ROAD, DOWN INTO A VERY LARGE DITCH AND HIT A TREE. I RAN AFTER IT TO TRY AND STOP IT BUT I WAS UNSUCCESSFUL. I HAD JUST BEGUN TO PUSH THE BRAKE AS THE BACK TIRE WENT INTO THE DITCH. THE FORCE OF THE JEEP GOING DOWN THE DITCH KNOCKED ME ON MY BACK AND MY FOOT GOT CAUGHT IN THE DOOR SO I WAS DRAGGED DOWN THE DITCH WITH THE JEEP. LUCKILY I DIDN'T RECEIVE ANY SERIOUS INJURY JUST SORE AND SHOOK UP BUT THE JEEP HAS EXTENSIVE DAMAGE TO THE REAR END. *JB