I WAS SLOWING PULLING INTO A PARKING SPACE AND JUST STRAIGHTENING OUT THE CAR WHEN I HEARD A STRANGE SOUND COMING FROM THE ENGINE. IMMEDIATELY AFTER THAT I HEARD A VERY LOUD ENGINE REVVING SOUND AND THEN SUDDENLY THE VEHICLE SHOT FORWARD LIKE A ROCKET, WENT OVER THE CEMENT BARRIER AND INTO THE WALL OF A BUILDING. IT SEEMED LIKE A VERY HIGH RATE OF SPEED, THOUGH THE DISTANCE WAS ONLY ABOUT 8 FEET. THE SEAT BELT DID NOT RESTRAIN ME AND MY CHEST SLAMMED INTO THE STEERING WHEEL. IT WAS DETERMINED LATER AT THE HOSPITAL THAT I HAD A CRACKED STERNUM AND SEVERAL BROKEN RIBS. I BELIEVE THERE WAS SOME SORT OF MECHANICAL, ELECTRICAL OR SOFTWARE PROBLEM THAT CAUSED THIS UNINTENDED ACCELERATION, AND THE SEAT BELT ALSO WAS DID NOT FUNCTIONING AS INTENDED. *TR