ON7/30/18 I WAS EXITING A PARK LOT TAKING A RIGHT TURN AT APPROXIMATELY 5 TO 10 MPH AS I ATTEMPTED TO STEER STRAIGHT MY STEERING WHEEL BECAME FREEWHEELING AS I WAS NOT ABLE TO CORRECT ITS DIRECTION , I HIT A CURB . AT THIS POINT I FELT AND HEARD A LOUD BANG , WHICH TURNED OUT TO BE THE AIRBAG DEPLOYING . I RECEIVED SEVERAL LACERATIONS AND CONTUSIONS ALMOND WITH A HEAD INJURY /CONCUSSION . AFTER I HAD VEHICLE TOWED TO FORD DEALER SHIP DID I BECOME AWARE THAT THERE HAD BAD A RECALL ON THE STEERING SHAFT AND BEARING FAILURE . AT NO TIME DID I EVER RECEIVE ANY CORRESPONDENCE INDICATING A RECALL . I'M VERY CONFUSED AS TO HOW AN AIR BAG WOULD DEPLOY WITH OUT ANY CONTACT WITH ANY OBJECT AND AT SUCH A SLOW SPEED .