WHEN I DROVE MY CAR INTO MY GARAGE, THE CAR ACCELERATED AND SMASHED INTO MY BACK GARAGE WALL (A LOAD BEARING WALL), COMPLETELY DETACHING IT FROM THE TOP AND BOTTOM. I DECIDED TO BACK UP THE CAR A FOOT FOR CLEARANCE FOR ME INTO MY HOUSE, BUT THE CAR THEN ACCELERATED BACKWARDS INTO THE STREET RAMMING INTO MY NEIGHBOR'S VEHICLE. WHILE MY CAR WAS NOW SMASHED FRONT AND BACK, NONE OF THE AIR BAGS DEPLOYED. I PUT THE CAR BACK IN DRIVE TO REMOVE IT FROM MY NEIGHBOR'S CAR AND AGAIN, IT ACCELERATED, RACING DOWN THE STREET AND, ACROSS A BUSY INTERSECTION. I HAD MY FOOT ON THE BRAKE AND WAS PULLING ON THE EMERGENCY (OR PARKING) BRAKE AND IT FINALLY CAME TO A STOP. THE POLICE WERE CALLED AND CAME BUT SAID SINCE IT WAS ONLY PROPERTY DAMAGE THERE WOULD BE NO REPORT. I SHUT OFF THE IGNITION.