WHILE TRAVELING AT ABOUT 5 MPH, I EXPERIENCE A TOTAL BRAKE FAILURE. THE PETAL DROPPED TO THE FLOOR. I WAS UNABLE TO STOP THE VEHICLE RESULTING IN A REAR END COLLISION WITH THE STOPPED VEHICLE IN FRONT OF ME. IT WAS DETERMINED THAT A BRAKE LINE RUPTURED. I WAS UNDER THE IMPRESSION THAT IT WAS A LAW THAT VEHICLES OF THIS YEAR HAD A DUAL BRAKING SYSTEM TO AVOID THIS SITUATION. IF THIS VEHICLE DOES HAVE SUCH A SYSTEM IT DID NOT FUNCTION.THE VEHICLE HAD TO BE TOWED FROM THE SCENE SINCE IT HAD NO BRAKES.