MY STEERING WHEEL AIR BAG SPONTANEOUSLY DEPLOYED AS I WAS SLOWLY DRIVING IN THE LOT OF A SHEETZ GAS STATION AFTER JUST GETTING OFF THE INTERSTATE (ESTIMATE MY SPEED AT 5 MPH IN THE GAS STATION LOT) THERE WAS NO INCITING INCIDENT. I WAS WEARING MY SEAT BELT SO ONLY INJURY WAS A BURN AND BRUISE TO MY LEFT HAND. THE VEHICLE REMAINED ON AND OTHERWISE FUNCTIONAL.