VEHICLE WENT FROM PARK TO REVERSE BY ITSELF. DRIVERS DOOR WAS WIDE OPEN WHEN MY WIFE STARTED VEHICLE AND BY IT SELF IT ENGAGED IN REVERSE AND RAN THE DOOR INTO A WALL. THE VEHICLE ALMOST RAN OVER MY WIFE WHILE SHE WAS ATTEMPTING TO EXIT THE VEHICLE. LUCKILY SHE WAS ABLE TO JUMP BACK IN AND PUSH THE BRAKE TO STOP THE CAR. MY SON WAS BEHIND THE CAR LOADING ITEMS. LUCKILY HE HAD MOVED SECONDS BEFORE.