TL* THE CONTACT OWNS A 2016 VOLVO XC90. THE CONTACT STATED THAT WHILE ATTEMPTING TO PARK THE VEHICLE IN PARK ASSIST MODE, THE VEHICLE ACCELERATED IN REVERSE INDEPENDENTLY AND BACKED INTO A TREE WITHOUT WARNING. THE CONTACT DID NOT SUSTAIN INJURIES AND A POLICE REPORT WAS NOT FILED. THE CONTACT'S HUSBAND DROVE THE VEHICLE TO SMOTHERS EUROPEAN VOLVO CARS 2881 CORBY AVE, SANTA ROSA, CA 95407 TO BE INSPECTED. THE DEALER WAS UNABLE TO DIAGNOSE THE VEHICLE. A CORPORATE REPRESENTATIVE WAS THEN SENT TO THE DEALER AND DETERMINED THAT NO SAFETY ERROR HAD OCCURRED ON THE VEHICLE. THEY DETERMINED THE CAUSE OF THE ACCIDENT TO BE HUMAN ERROR. THE MANUFACTURER HAD BEEN NOTIFIED AND OFFERED NO ASSISTANCE WITH THE FAILURE. THE VEHICLE WAS REPAIRED. THE FAILURE MILEAGE WAS APPROXIMATELY 45,000. BF *TR