WHILE DRIVING ON A SURFACE STREET APPROXIMATELY 40MPH I WAS CUT OFF. APPLIED BOTH FRONT AND REAR BRAKES. ABS ENGAGED NORMALLY. WITHOUT INCIDENT BUT AFTER THAT THE FRONT BRAKE LEVER BECAME EXTREMELY STIFF. AND ONLY GOT STIFFER UNTIL IT WAS IMPOSSIBLE TO GET ANY STOPPING ACTION ON THE FRONT WHEEL. ..UPDATED 02/10/17 *BF THE ABS ACTUATOR WAS REPLACED, NORMAL BRAKING RETURNED. APPROXIMATELY A YEAR LATER AGAIN ON SURFACE STREET AT APPROXIMATELY 10 MPH THE CAR IN FRONT OF ME BEGAN TO PULL AWAY THEN PANIC STOPPED. I APPLIED BOTH BRAKES, THE ABS ENGAGED. UNTIL THERE WAS A SMALL BUMP IN THE ASPHALT. THEN THE BRAKES RELEASED THEN RENGAUGED.....THE INCREASED STOPPING DISTANCE CAUSED ME TO REAREND THE CAR IN FRONT OF ME. I CAN FIND EXACT DAYS BOTH INCIDENTS OCCURRED IF NECESSARY. FOR NOW I'M USING AN APPROXIMATE DATE FOR THE FIRST INCIDENT. *TR