EXITED FREEWAY AND HIT BRAKES TO SLOW AND STOP AT TRAFFIC LIGHT. THE MOTOR ACCELERATED, THE BRAKES WERE TOO WEAK TO STOP THE VEHICAL, AND I CRASHED INTO THE STOPPED CAR AT THE TRAFFIIC LIGHT. IT SEEMED THAT THE CRUISE CONTROL DID NOT TURN OFF WHEN I PRESSED THE BRAKE PEDAL. THEY FAILED TO TURN THE CRUISE CONTROL OFF.