I WAS BACKING OUT OF MY DRIVEWAY WHEN THE CAR SEEMED TO SPEED UP EVEN THOUGH I WAS NOT PRESSING THE GAS. I STRUCK MY NEIGHBORS WALL ACROSS THE STREET, BUT NOT VERY HARD. AT THAT POINT I HEARD A ROAR. I DIDN'T UNDERSTAND WHAT IT WAS AT THE TIME, BUT NOW I RECOGNIZE IT AS THE SOUND A CAR MAKE IF YOUR PRESSING THE GAS WITH THE CAR IN PARK OR NEUTRAL. I DECIDED TO PULL BACK INTO MY DRIVEWAY TO ASSESSS THE DAMAGE TO MY CAR. WHEN I PUT THE CAR IN DRIVE IT ROARED FORWARD. I PRESSED THE BRAKE AS HARD AS I COULD BUT THE CAR COULD NOT BE STOPPED IT CRASHED INTO THE BRICK WALL OF MY GARAGE. THE AIRBAG DEPLOYED AND I SUFFERED CUTS AND BRUISES. MY CAR WAS TOTALED.