VEHICLE MOVING UNDER 5 MPH IN A CITY PARKING GARAGE. WHILE ENTERING A PARKING SPACE, THE VEHICLE SUDDENLY ACCELERATED WITHOUT ANY WARNINGS STRIKING THE CEMENT WALL BARRIER AT A DISTANCE OF APPROXIMATELY THREE FEET AWAY. BOTH FOOT BRAKE AND EMERGENCY BRAKE WERE APPLIED. ALL DASH INDICATOR LIGHTS TURNED ON UNTIL AUTO "OFF" BUTTON WAS DEPRESSED. VEHICLE MILEAGE = 37880. NO AIRBAGS WERE DEPLOYED. AUTO WAS TAKEN SAME DAY TO AUTHORIZED (USAA) COLLISION REPAIR FACILITY. REPAIR ESTIMATE AND PHOTOGRAPHS HAVE NOT PROCESSES AT THIS WRITING. DIRVER HAD SEAT BELT ON AND NO INJURIES REPORTED. NO PASSENGERS.