THE DEFECTIVE EMERGENCY PARKING BRAKE MALFUNCTIONED WHEN THE VEHICLE WAS PARKED AND THE KEY OUT OF THE IGNITION, AND THE EMERGENCY PARKING BRAKE UP. THE VEHICLE ROLLED AWAY, HITTING A TREE, WHICH MAY HAVE CAUSED INJURIES. THE EMERGENCY PARKING BRAKE IS STILL IN THE "UP POSITION" AFTER THE ACCIDENT. CAUSE UNKNOWN. PLEASE PROVIDE FURTHER DETAILS. *AK