I STARTED MY 2014 JEEP GRAND CHEROKEE AND STEPPED OUTSIDE TO ASSIST MY SON WHO WAS IN THE FRONT PASSENGER SEAT. BEFORE I COULD WALK AROUND, FROM BEHIND, THE JEEP STARTED ROLLING BACKWARDS, PICKING UP SPEED, AND HITTING ANOTHER PARKED SUV. I NEVER UNDERSTOOD WHAT ACTUALLY HAPPENED JUST "ASSUMED" MY SON, ACCIDENTALLY, TOUCHED THE GEARS, BUT WONDERED HOW/WHY WOULD THE JEEP MOVE WITHOUT THE BRAKE EVER BEING DEPRESSED. THEIR WAS REAR DAMAGE TO MY SUV AND REAR/FRONT DAMAGE TO THE OTHER PERSON'S CAR. IT IS NOW BEING PUBLISHED THAT BOTH THE 2014 AND 2015 JEEP GRAND CHEROKEE HAVE HAD NUMEROUS INCIDENTS OF ROLLING ON THEIR OWN--IT NOW EXPLAINS EVERYTHING--MY SUV DID IT. IT WAS NOT PARKED ON A SLOPE, HILL, OR ANY TYPE OF INCLINE--JUST A FLAT SURFACE.