I PULLED UP TO THE BACK OF THE BUILDING WHERE I WORK TO PARK. AS I TOOK MY FOOT OFF THE ACCELERATOR TO BRAKE, THE CAR SHOT FORWARD OUT OF CONTROL. PUTTING BRAKES TO THE FLOOR DID NOT STOP IT. THE BUILDING STOPPED IT. WHEN I BACKED AWAY, THE CAR SHOT BACKWARD OUT OF CONTROL AND STOPPED WHEN IT HIT A STORAGE UNIT. THE LOCAL BUICK DEALER CONDUCTED A THOROUGH INSPECTION OF THE 2006 BUICK LUCERNE AND COULD NOT FIND OUT WHAT CAUSED THE ACCIDENT. *TR