2011 BUICK ENCLAVE, ALL RECALLS COMPLETED. WHEN TURNING INTO DRIVEWAY FROM A TOTAL STOP VEHICLE EXPERIENCED UNEXPECTED ACCELERATION AND CRASHED THROUGH PART-WAY UP GARAGE DOOR, SIDE WALL OF GARAGE, (RIGHT WHEEL OVER 6" CONCRETE FOUNDATION), PUSHED ITEMS STORED IN GARAGE INTO FRONT WALL AND MOVED WALL 12" INTO LAUNDRY ROOM. VEHICLE STOPPED WHEN LEFT FRONT WHEEL HIT CONCRETE STEP INTO SERVICE DOOR ALTHOUGH TIRE LEFT TREAD MARK ON FLOOR UNTIL ENGINE TURNED OFF. DISTANCE TRAVELED WAS ABOUT 2 1/2 CAR LENGTHS. DAMAGE TO RIGHT FRONT MAINLY. $12,300 DEALER ESTIMATED DAMAGE. DRIVER SUFFERED SOFT TISSUE BRUISING, CHIPPED TOOTH, SORENESS. AIR BAGS DID NOT DEPLOY. ODB SHOWED NO DTC CODES. VEHICLE VISUALLY/MANUALLY INSPECTED BY DEALER PER INSURANCE COMPANY REQUEST - NOTHING FOUND. CLAIM FILED WITH ESIS/GM CENTRAL CLAIMS UNIT. EDR, SDM & CDR DATA WERE DOWNLOADED USING BOSCH SOFTWARE AND PICTURES TAKEN OF VEHICLE. DATA/PICTURES WERE TURNED OVER TO GM INVESTIGATORS. OWNER CONTACTED ONSTAR FOR DATA BUT NOTHING WAS RECEIVED BY THEM. HOWEVER, INITIAL SDM DATA INDICATES 'ONSTAR DEPLOYMENT STATUS DATA SENT' AND 'SDM RECORDED VEHICLE VELOCITY CHANGE DATA SENT.' INVESTIGATION CURRENTLY 3 MONTHS ON-GOING, VEHICLE UNTOUCHED. VEHICLE ALSO PREVIOUSLY EXHIBITED ISSUE OF FREE ROLLING BACKWARD OR FORWARD WHEN STOPPED ON AN INCLINE. AUTO TRANSMISSION AND TORQUE CONVERTER WOULD NOT HOLD VEHICLE. *TR