TL*THE CONTACT OWNS A 2006 TOYOTA PRIUS. THE CONTACT STATED THAT THE VEHICLE WOULD NOT COME TO A COMPLETE STOP WHEN THE BRAKE PEDAL WAS DEPRESSED. THE FAILURE CAUSED HER TO REAR END ANOTHER VEHICLE WHILE DRIVING LESS THAN 35 MPH. THE VEHICLE BEHIND THE CONTACT WITNESSED THAT HER BRAKE LIGHTS ILLUMINATED; HOWEVER, THE VEHICLE FAILED TO STOP. THE VEHICLE WAS DESTROYED AND A POLICE REPORT WAS FILED. THE FAILURE MILEAGE WAS 25,000.