VEHICLE STARTED TO LOOSE BRAKE PRESSURE WHEN GOING DOWN HILL OR MOVING AHEAD SLOWLY AS IN A FAST FOOD REST LINE. THE BRAKES WOULD HOLD AT FIRST THEN LOOSE PRESSURE TO A POINT WERE YOU HAD TO PUSH HARDER ON THE PEDAL TO MAKE THEM WORK. THIS WOULD HAPPEN ON A HILL WHICH WOULD TAKE YOU BY SURPRISE AND CAUSE THE CAR TO BE OUT OF CONTROL UNTIL YOU PUSHED HARDER ON THE BRAKE. IF A CAR WAS COMING FROM ANOTHER INTERSECTION YOU WOULD NOT HAVE TIME TO STOP YOUR CAR AND COULD CAUSE A ACCIDENT. WHILE IN A LINE AT THE DRIVE THRU THE BRAKE PRESSURE LET GO AND MY CAR HIT THE CAR IN FRONT THERE WAS NO DAMAGE AND THE OTHER DRIVER WAS NICE ENOUGH TO FORGIVE ME BUT THAT MIGHT NOT ALWAYS BE THE WAY. THE CAR WAS GOING IN FOR SERVICE THE NEXT DAY OR SO AND I EXPLAINED THE PROBLEM TO THE DEALER. THEY SAID IT WAS A NORMAL CONDITION OF THE HYBRID. THIS WAS AFTER THE TECH. PERSON DROVE THE CAR AND SAID HE FELT IT, HE ALSO DROVE ANOTHER HYBRID AND HE SAID THE SAME THING HAPPENED WHICH TO ME PROVES MY POINT. I CALLED TOYOTA THEY AND THE DEALER SAY THEY CANNOT FIX THE PROBLEM AND WILL DO NOTHING ABOUT IT. I TOLD THEM IT DID NOT DO THIS WHEN I FIRST BOUGHT THE CAR IT ONLY STARTED ABOUT 2 MONTHS AGO WHICH PROVES IT IS NOT A NORMAL CONDITION. *TR