THE PARK ASSIST FAILED WHEN THE AUTOMATED SYSTEM WAS PARKING MY VEHICLE IN A PARALLEL PARKING SPACE. THE PARK ASSIST SYSTEM APPEARED TO BE FUNCTIONING PROPERLY UNTIL DURING THE VEHICLE'S IT'S INITIAL BACKUP MANEUVER WHEN IT BACKED MY VEHICLE INTO A PARKED PICKUP TRUCK IN THE ADJACENT PARKING STALL WITHOUT WARNING. FORTUNATELY DAMAGE WAS LIMITED TO PAINT DAMAGE ON MY VEHICLE'S BUMPER WITH DO DAMAGE TO THE VEHICLE IN THE ADJACENT PARKING STALL. THE LOCAL FORD DEALERSHIP HERE IN BRANDON FLORIDA HAS TESTED THE SYSTEM AND REPORTED THAT THE SYSTEM IS FUNCTIONING PROPERLY,THUS DENYING ANY RESPONSIBILITY. I HAVE REPORTED THIS TO FORD MOTOR COMPANY ON 11/09/2017 (CAS-13504308) AND AWAITING A RESPONSE FROM THEM.