WHILE DRIVING ON THE HIGHWAY DURING RUSH HOUR TRAFFIC STOPPED AHEAD OF ME. I APPLIED THE BRAKES TO STOP AND THE PEDAL WENT TO THE FLOOR AND ACTIVATED THE ANTILOCK BRAKES. THIS DID NOT PROVIDE ANY SIGNIFICANT BRAKING AND I REAR ENDED THE TRUCK IN FRONT OF ME. ABOUT 2 MONTHS PRIOR I HIT A DRAINAGE GRATE AND UPON APPLYING THE BRAKES THERE WAS NO BRAKES. AFTER DRIVING FOR ABOUT 20 MINUTES THE BRAKES FELT NORMAL AFTER APPLYING THE BRAKES HARD A COUPLE OF TIMES. TOOK THE CAR TO THE DEALER AND HAD THE BRAKES CHECKED AND THE ONLY THING FOUND WAS THE ROTORS NEEDED TO BE TURNED. THE CAR HAS ABOUT 79,000 MILES. *TR