PULLING INTO OUR GARAGE (AS WE HAVE DONE PROBABLY THOUSANDS OF TIMES SINCE OWNING THE CAR), OUR 2017 OUTBACK ACCELERATED OUT OF CONTROL INTO THE BACK WALL OF OUR GARAGE. CAR HAD BEEN STOPPED AT THE PARKING POSITION IN THE GARAGE AND WAS BEING SHIFTED INTO PARK WHEN THE ACCELERATION OCCURRED. GAS PEDAL WAS NOT TOUCHED (CAR ALWAYS COASTS INTO GARAGE UNDER IT'S OWN POWER, AND FOOT IS ONLY ON THE BRAKE ALWAYS). EXTENSIVE DAMAGE TO CAR AND GARAGE. BOTH SUBARU AND OUR INSURANCE COMPANY HAVE BEEN ALERTED.