BRAKES APPLIED AND CAR DID NOT RESPOND OR SLOW DOWN. RESULTING IN AN REAR END COLLISION CAUSING DAMAGE TO TWO CARS APPROX. $7,900.00 ON JUNE 30, 1999. SECOND INCIDENT JULY 28, 1999 STOPPING FOR A RED LIGHT BRAKES DID NOT RESPOND. FELT LIKE CRUISE CONTROL KICKED IN AND CAR WHEN FAST. SPEED APPROX. 12 MILES / HOUR. BRAKE PEDAL PUMPED HARD AND CONTINUOUSLY CAR SLID INTO INTERSECTION AND STOPPED. NO DAMAGE. DROVE CAR HOME SLOWLY AND BRAKES WORKED NORMALLY.