VEHICLE WAS DRIVEN AND HIT A BUMP THAT WAS COVERED WITH WATER DUE TO RAIN. DID NOT HIT THE FRONT BUMPER BUT HAD A SMALL DAMAGE IN THE UNDERCARRIAGE, WHICH CAUSED THE DRIVER'S AIRBAG TO DEPLOY AND SEVERELY INJURED THE DRIVER. THE AIRBAG DEPLOYED UNDER CONDITIONS FOR WHICH THEY WERE NOT INTENDED TO DEPLOY ...UPDATED 10/19/17 *BF UPDATED 10/24/2017*JS