I WAS PULLING THE CAR INTO A PARKING LOT AT A VERY SLOW SPEED (~4MPH). SUDDENLY THE CAR TOOK OFF WITH FULL FORCE OF ACCELERATION. THE CAR JUMPED THE CONCRETE BAR OF THE PARKING LOT AND ACCELERATED AS IF WITH FULL APPLIED GAS. IT JUST HAPPENED IN FEW SECONDS, I TRIED TO HIT THE BREAK, BUT COULD NOT STOP THE CAR UNTIL IT HIT THE 1.5" HIGH FOUNDATION OF THE BUILDING AND STOPPED. THE ENGINE WAS STILL ON, AND THE FRONT WHEELS STILL SPUN VERY FAST UNTIL I CHANGED THE GEAR TO PARKING AND TURNED OFF THE ENGINE. *TR