IT WAS JAN 8, 2017 AND IT HAD BEEN RAINING. MY SON WAS DRIVING THE VEHICLE AND HE HYDROPLANED ON THE FREEWAY GOING 55-60 MPH. THE VEHICLE DID A 90 DEGREE TURN ON THE FREEWAY AND HIT A GUARD RAIL. BOTH MY SON AND GRAND DAUGHTER HAD WHIPLASH BUT NO OTHER VISIBLE SIGNS. THE AIR BAGS DID NOT DEPLOY. I OPENED A CLAIM WITH HYUNDAI. THEY SENT AN PRIVATE INSPECTOR AND HYUNDAI DETERMINED THAT THE AIR BAGS SHOULD NOT HAVE DEPLOYED (SEE ATTACHED)