WHILE IN REVERSE BACKING UP TO A CHARGE STATION IN A COVERED PARKING LOT, THE CAR WENT INTO SUDDEN ACCELERATION AND FAILED TO STOP AND COLLIDED WITH THE CHARGE STATION AND THE WALL NEXT TO IT. NONE OF THE WARNING LIGHTS OR SOUNDS WENT OFF EITHER. ALTHOUGH THE CAR HAS, ON SEVERAL OCCASIONS DEMONSTRATED ITS ABILITY TO STOP SHORT OF COLLIDING WITH OBSTACLES, IT FAILED TO REACT IN THIS INSTANCE. TESLA HAS IGNORED OUR REPEATED REQUESTS FOR PROVIDING AN EXPLANATION OR ANY EVALUATION OF THE LOGS ASSOCIATED WITH THE CAR, AND HAS BLAMED THE MATTER ON DRIVER ERROR.