ON OCTOBER 25, 2018 I PUT MY VEHICLE IN REVERSE WHEN IT SUDDENLY ACCELERATED AT A HIGH RATE OF SPEED. IT HIT THE CURB AND CONTINUED TO ACCELERATE INTO ANOTHER PARKED VEHICLE WHICH CAUSE THAT VEHICLE TO HIT A BUILDING AND THEN MY VEHICLE CONTINUED IN REVERSE AND HIT ANOTHER CAR AND THEN CONTINUED UNTIL MY VEHICLE HIT A GMC TRUCK WHICH FINALLY STOPPED MY VEHICLE. DURING THIS ENTIRE EPISODE, I WAS UNABLE TO GET CONTROL OF MY VEHICLE AT NO POINT WAS I ABLE TO USE MY BRAKES AS THEY DID NOT RESPOND. ALF THIS OCCURRED IN A SMALL COMMERCIAL PARKING LOT AND ALL VEHICLES INVOLVED WERE STATIONARY EXCEPT MINE.