A CUSTOMER WAS ATTEMPTING TO PARK THE VEHICLE IN A SLOT TWO FEET FROM A WALL WHEN THE ENGINE STARTED REVVING LOUD AND TOOK OFF. HE SAID HE WAS ON THE BRAKE VERY HARD AND HAD A HARD TIME COMING TO A STOP. THE VEHICLE HIT A SIGN AND BUMPED INTO A WALL OF THE HANDICAP RAMP. TREAD MARKS WERE SEEN ON THE PAVEMENT. THERE WAS NO DAMAGE TO THE BUILDING AND ONLY SLIGHT DAMAGE TO THE VEHICLE.*AK