WHEN I STEP ON THE BRAKES IT GETS REALLY HARD AND WILL NOT STOP. IT HAPPENED TO ME IN A PARKING LOT. I WAS PULLING INTO A PARKING SPOT AND DID NOT STOP. THEN WHEN I WAS DRIVING DOWN THE ROAD I REAR-ENDED SOMEONE AND I WAS NOT DRIVING VERY FAST. MY CONCERN IS THAT IF A CHILD OR CAR RUNS OUT IN FRONT OF ME I WIL NOT BE ABLE TO STOP. THIS HAS HAPPENED SEVERAL TIMES NOW. I HAVE PAID MECHANICS TO REPLACE MY BRAKE PADS, CALIPERS, DISC'S BECAUSE I DO NOT WANT TO HURT MYSELF OR SOMEONE ELSE.