WHILE DRIVING 25 MPH APPROACHING RED LIGHT DRIVER APPLIED THE BRAKE PEDAL AND THE BRAKES FAILED. THE BRAKE PEDAL WENT TO THE FLOOR. THIS CAUSED CONSUMER'S VEHICLE TO COLLIDE WITH THE VEHICLE IN FRONT. NO DAMAGE TO VEHICLE STRUCK IN REAR AND MINIMAL DAMAGE TO FRONT BUMPER OF LEXUS. DRIVER'S RIGHT FOOT BRUISED. 1 MONTH LATER VEHICLE TAKEN TO DEALERSHIP WHERE THE BRAKE BOOSTER WAS REPLACED.*AK THE CONSUMER SUSTAIN AN INJURED FOOT AS A RESULT OF THE ACCIDENT. *NM