TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE STOPPED AT A TRAFFIC LIGHT, THE VEHICLE WAS HIT FROM THE REAR BY ANOTHER VEHICLE. AFTER THE VEHICLE WAS HIT, IT ACCELERATED TO A HIGH SPEED. THE CONTACT ENGAGED THE BRAKES BUT THE VEHICLE CONTINUED TO ACCELERATE; THE CONTACT ATTEMPTED TO TURN OFF THE IGNITION BUT THAT DID NOT STOP THE VEHICLE. THE VEHICLE CHANGED DIRECTIONS AND CROSSED OVER A GRASSY AREA AND CROSSED OVER THREE LANES OF TRAFFIC AND CRASHED INTO A CONCRETE MEDIAN. THE CONTACT STATED THAT ALL THE LIGHTS FAILED. THE TWO PASSENGERS WERE INJURED. A POLICE REPORT WAS FILED. THE VEHICLE WAS DESTROYED. THE VIN WAS UNAVAILABLE. THE CURRENT AND FAILURE MILEAGES WERE UNKNOWN.