TL*THE CONTACT OWNS A 2009 TOYOTA PRIUS. WHILE APPROACHING AN INTERSECTION THE CONTACT TRIED TO APPLY THE BRAKES AND STOP THE VEHICLE. THE CONTACT STATED THAT HE WAS DRIVING APPROXIMATELY 15 MILES PER HOUR WHEN THE BRAKES DID NOT ENGAGE. THE CONTACT CRASHED INTO A VEHICLE IN FRONT OF HIM. THE VIN WAS NOT AVAILABLE. THE FAILURE MILEAGES WERE 7,000. THE CURRENT MILEAGES WERE 21,000.