ON JUNE 18, 2015, WHILE ON THE BRAKE AND STOPPING BEHIND A VEHICLE AT AN INTERSECTION (MOVING AT A CRAWL SPEED, LESS THAN 0.5 MPH), MY HONDA PASSPORT LUNGED FORWARD HITTING THE CAR IN FRONT OF ME. THE CAR WAS CONTAINED THE DRIVER AND A PASSENGER. BELIEVING AT THAT TIME MY BRAKES JUST FAILED (I COULDN'T GRASP HOW ACCELERATION AND FORWARD MOVEMENT COULD OCCUR WHEN I WAS FIRMLY ON MY BRAKES), I HAD MY BRAKE BOOSTER AND MASTER CYLINDER REPLACED. ON JUNE 29, 2015 IN A PARKING SPACE, WHILE I WAS AT A CRAWL SPEED (LESS THAN 0.5 MPH) AND ON THE BRAKES, THE VEHICLE LUNGED FORWARD AGAIN, GOING TO THE NEXT PARKING SPACE AND HITTING A PARKED CAR. THE VEHICLE ENGINE SURGED AS THOUGH I WAS ON THE ACCELERATOR, AND MY FOOT WAS ONLY ON THE BRAKE. THANK GOODNESS NOBODY WAS IN THE PARKED VEHICLE, NOBODY WAS BETWEEN THE TWO VEHICLES, AND ONLY BODY DAMAGE RESULTED FROM THIS DANGEROUS SITUATION.