OUR VAN STARTED ROLLING DOWN THE DRIVE WAY WHILE MY WIFE HAD HER DOOR OPEN AND PREPARING TO GET IN. SHE HAD THE KEYS IN HER HAND AND THE ENIGINE WAS OFF AND VAN WAS IN PARK. WHEN THE VAN STRATING ROLLING IT KNOCK DOWN MY WIFE AND ROLLED ALL THE WAY ACROSS THE STREET AND HIT A TREE. MY WIFE HAD MINOR INJURIES WHICH SHE WENT TO THE HOSTIPAL FOR. MY CHILDREN WERE IN THE CARONE ALREADY IN HER CAR SIT AND THE OTHER WAS IN THE PROCESS OF LOCKING HIM SELF IN.