Issue: On certain vehicles, the side curtain airbags may not have been installed properly. As a result, the airbag(s) may not inflate properly in a crash. Safety Risk: A side curtain airbag that doesn't work properly could increase the risk of injury in a crash. Corrective Actions: Hyundai will notify owners by mail and advise you to take your vehicle to a dealership to reinstall the side curtain airbags properly.