WHILE PULLING INTO A PARKING SPOT AT A BUSY SHOPPING CENTER, AND APPLYING THE BRAKE PEDAL (HAVING MOVED IT OVER FROM ACCELERATOR) TO STOP THE CAR AT ABOUT 5 MPH, THE MODEL S SUDDENLY LURCHED FORWARD AT FULL ACCELERATION HITTING NOT 1 BUT 2 PARKED CARS. NOTHING WOULD STOP THE CAR AS IT TOOK OVER AND WENT FORWARD WITH BOTH MY FEET PRESSING THE BRAKE PEDAL AS HARD AS I COULD. FINALLY IT STOPPED AFTER HITTING A SECOND PARKED CAR. TESLA HAS NOT RESPONDED, DESPITE 2 DAYS OF EMAILS AND CALLS.