WHEN I APPLIED THE BRAKE, THE CAR SPED UP AND LURCHED FORWARD HITTING THE VEHICLE AHEAD OF ME WHICH WAS STOPPED AT A TRAFFIC LIGHT; I HAD A MECHANIC INSPECT IT, HE SAID IT WAS THE BRAKE CALIPERS AND REPLACED THE CALIPERS, AND ROTORS, AND THE PROBLEM HAS CONTINUED TO OCCUR..HAVE HAD IT BACK TO THE MECHANIC 3 TIMES AND HE SAYS HE CANNOT REPRODUCE THE PROBLEM