DT: DRIVER'S SIDE AIR BAG DEPLOYED WHILE CONSUMER WAS DRIVING IN REVERSE BACKING FROM A DRIVEWAY AT LOW SPEED. THERE WAS NO CRASH OR IMPACT. THIS HAPPENED WITHOUT ANY WARNING. NO LIGHTS ILLUMINATED OR WARNING SIGNALS. THE CAR HAD BEEN PARKED IN A SHADED AREA FOR ABOUT AN HOUR WHEN THIS OCCURRED. CONSUMER'S HUSBAND DROVE VEHICLE HOME AFTER THE INCIDENT. HAVE NOT TAKEN THIS TO A DEALER FOR THIS ISSUE, VEHICLE WAS PARKED AFTERWARDS AND HAS NOT BEEN DRIVEN SINCE. NO EXPLANATION OR CLUE AS TO WHY THIS HAPPENED. *NM