LOCAL CARWASH EMPLOYEE ENTERED INTO A 2005 JEEP GRAND CHEROKEE. WHEN IGNITION WAS TURNED ON, THE VEHICLE REDLINED AND ACCELERATED OFF OF CONVEYOR. EMPLOYEE HIT THE BREAK WITH NO RESPONSE. THE VEHICLE COLLIDED WITH ANOTHER VEHICLE AND WENT THROUGH A TOWEL CABINET AND A BRICK WALL. FOUR EMPLOYEES AND MYSELF WERE NEARLY KILLED. I TOOK THE DRIVER OUT OF THE VEHICLE AND WHILE NO ONE WAS IN IT, IT WAS STILL TRYING TO DRIVE THROUGH THE WALL ON IT'S OWN. (NOTHING WAS TOUCHING THE ACCELERATOR). *NM