TL*THE CONTACT OWNS A 2008 TOYOTA PRIUS. WHILE DRIVING APPROXIMATELY 25 MPH, THE VEHICLE FAILED TO STOP WHEN THE BRAKE PEDAL WAS DEPRESSED. THE CONTACT REAR ENDED THE PRECEDING VEHICLE. NO PASSENGERS WERE INJURED. A POLICE REPORT WAS FILED. THE VEHICLE WAS TOWED TO THE DEALER AND THE MECHANIC STATED THAT THE BRAKES WERE NOT DEFECTIVE. THE MANUFACTURER HAS NOT BEEN NOTIFIED. THE CURRENT AND FAILURE MILEAGES WERE 3,500.