I WAS DRIVING ON A SNOW-PACKED INTERSTATE HIGHWAY WHEN THE CAR AHEAD OF ME STOPPED. I APPLIED THE BRAKES IMMEDIATELY. MY SPEED WAS ABOUT 25 MPH. THE ANTI-LOCK BRAKING SYSTEM IMMEDIATELY RESPONDED, BUT MY SPEED DID NOT DIMINISH APPROPRIATELY. I STRUCK THE CAR AHEAD. ABOUT 20 MINUTES LATER, I TRIED TO STOP AT A RED LIGHT AND THE VEHICLE SEEMED TO CONTINUE WITH LITTLE OR NO BRAKE FORCE ACTUALLY BEING APPLIED. THE ANTI-LOCK SYSTEM SEEMED OVERLY SENSITIVE. *TR