I WAS DRIVING ALONG. ABOUT 20MPH. STARTED TO GO OVER SOME REALLY BAD RAILROAD TRACKS. ALL OF A SUDDEN MY AIRBAG DEPLOYED. I DIDN'T HIT ANYTHING. I DIDN'T RUN INTO ANYTHING. AND NOTHING HIT ME. IT WAS JUST ALL OF A SUDDEN. BECAUSE OF THE POSITION MY ARM WAS ON THE STEERING WHEEL I HAD INITIALLY THOUGHT THAT IT SNAPPED MY ARM IN TWO. HOWEVER. IT ISN'T BROKEN. BUT I DO HAVE VERY MINOR BURNS FROM THE CHEMICAL FROM THE AIRBAG. I CONTACTED BUICKS MAIN CUSTOMER SERVICE LINE BUT THEY ACT LIKE THEY DIDN'T WANT TO DO ANYTHING ABOUT IT. *TR