AS I WAS APPROACHING A RED LIGHT I STARTED TO BRAKE. MY BRAKES DID NOT ENGAGE EVEN WHEN I PUMPED. I SWUNG MY CARE TO THE LEFT SO I WOULD NOT REAR END THE CAR IN FRONT. I HIT THE CAR ON THE PASSENGER REAR CORNER (ON MY LEFT) AND TOTALED MY LEXUS. MY BRAKES WERE FINE UP TO THAT MOMENT AND ALTHOUGH I COULD NOT DRIVE THE CAR AWAY FROM THE SCENE THEY SEEMED TO BE WORKING AGAIN WHEN I PRESSED ON THEM (ALTHOUGH I CANNOT BE SURE AS THE CAR WAS STILL). IT WAS HORRIBLE. *TR