DRIVING AROUND A CORNER IN TOWN AT APPROXIMATELY 25 MILES PER HOUR IN SNOWY CONDITIONS ON A ROUGH ROAD; TRIED TO ACCELERATE TO MAKE IT UP A HILL AND THE ACCELERATOR WOULDN'T WORK (COULD PUSH DOWN, BUT WOULDN'T ACCELERATE); TRIED TO TURN THE STEERING WHEEL TO MAKE THE CORNER AND THE VEHICLE STARTED SLIDING ON THE SNOW; TRIED TO TURN THE WHEEL IN THE OPPOSITE DIRECTION AND WAS UNABLE TO MANIPULATE THE WHEEL. CRASHED THE VEHICLE INTO TWO PARKED CARS; THE SEAT BELT MOUNT DISCONNECTED FROM THE FRAME. THE AIR BAG DID DEPLOY. DRIVER WAS UNABLE TO SHUT OFF THE ENGINE AFTER THE WRECK. *TR