PLACE THE CAR IN REVERSE TO BACK OUT OF A PARKING SPACE. WHEN I GOT TO MY STOPPING POINT I APPLIED MY BRAKES TO STOP TO SHIFT GEARS TO GO FORWARD. UPON PRESSING THE BRAKES THE VEHICLE WOULD NOT STOP AND CONTINUE TO ROLL BACKWARDS I PRESSED HARDER TO STOP THE VEHICLE IT DID NOT STOP IT ROLLED OVER A CURB AND BACKED INTO ANOTHER CAR BEFORE IT STOPPED. ONCE I TURNED OFF THE CAR AND RE-STARTED THE CAR AGAIN THE BRAKES WORKED PROPERLY. DAMAGE OCCURRED TO BOTH VEHICLES.