AT 07:45AM HUSBAND PARKED VEHICLE, PLACED DRIVE SELECTOR IN "PARK', ENGAGED EMERGENCY BRAKES, LEFT ENGINE IDLING. WIFE, JO, ENTERED VEHICLE. AS SHE WAS ENGAGING SAFETY BELT THE CAR SUDDENLY ACCELERATED TO A VERY HIGH RPM AND , SIMULTANEOUSLY, JUMPED INTO REVERSE GEAR. THE JEEP STRUCK A PARKED SEDAN AND APPARENTLY THE IM[PACT SWITCHED THE GEAR INTO FORWARD. WIFE WAS UNABLE TO CONTROL AND THE JEEP STRUCK A HOUSE . HUSBAND OPENED DOOR AND TURNED OFF ENGINE W/ IGNITION KEY. ENGINE STOPPED.. EMERGENCY BRAKES REMAINED ENGAGED THROUGHOUT. POLICE REPORT CONFIRMS "NOT THE DRIVER'S FAULT".INVESTIGATION BY INSURANCE ADJUSTER/REPAIR SHOP ONGOING.*AK