I PULLED UP TO A FAST FOOD DRIVE THRU AND APPLIED MY BRAKES. THE BRAKE PEDAL WENT TO THE FLOOR AND IN DESPERATION I PUT THE VEHICLE IN PARK ONLY TO HEAR 5-6 LOUD CLICKS AS I BUMPED THE CAR IN FRONT OF ME. THIS WAS A 1 OR 2 MPH COLLISION RESULTING IN VERY LITTLE DAMAGE TO BOTH VEHICLES. HOWEVER, THIS IS THE THIRD TIME THIS HAS HAPPENED TO ME IN THIS NEW CAMRY WITH 7200 MILES ON IT. THE FIRST TIME WAS WHEN I WAS BACKING OUT OF MY DRIVEWAY TWO MONTHS AGO. THIS TIME THE BRAKE PEDAL WENT TO THE FLOOR AND I BACKED OVER A CEMENT RETAINING WALL IN MY NEIGHBOR'S YARD. I CALLED A TOW TRUCK TO PULL ME OUT BECAUSE THE REAR WHEELS WERE HANGING IN MID AIR AND IT WAS IMPOSSIBLE TO GET ENOUGH TRACTION TO GET MY CAR RIGHTED UP. THE OTHER TIME WAS ANOTHER LOW SPEED EVENT AT ANOTHER DRIVE THROUGH. NO ONE WAS IN FRONT OF ME AND ALL WAS OKAY . I FILED A CASE WITH TOYOTA CORPORATE WILL NOT PAY FOR TOWING OR RENTAL AND THE DEALERSHIP HAS NOT RETURNED ANY OF MY PHONE CALLS