TL* THE CONTACT OWNS A 2011 HYUNDAI SONATA HYBRID. WHILE DRIVING 27 MPH, AN ABNORMAL SOUND WAS HEARD. THE CONTACT OBSERVED SMOKE COMING FROM THE STEERING COLUMN AS THE AIR BAGS STARTED TO DEPLOY FROM THE STEERING WHEEL. AS A RESULT, THE CONTACT REAR ENDED ANOTHER VEHICLE. THE CONTACT STATED THAT THE AIR BAGS DID NOT FULLY INFLATE. THE CONTACT SUSTAINED INJURIES THAT REQUIRED MEDICAL ATTENTION. A POLICE REPORT WAS FILED. THE VEHICLE WAS TOWED TO THE CONTACT'S RESIDENCE. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE VEHICLE WAS NOT TAKEN TO A DEALER FOR DIAGNOSTIC TESTING OR REPAIRS. THE CONTACT STATED THAT THE VEHICLE EXHIBITED THE SAME SYMPTOMS AS LISTED IN NHTSA CAMPAIGN NUMBER: 18V137000 (SEAT BELTS, AIR BAGS). THE FAILURE MILEAGE WAS UNKNOWN.