2009 Hyundai Sonata Owner's Manual - Page 245

6 DO-IT-YOURSELFMAINTENANCE 30 HNF5025 ONF078026N HNF5027 6. Turn the plastic cover counterclockwise and remove it. 7. Disconnect the connector from the bulb base in the back of the headlight. 8. Rotate the bulb counterclockwise to remove the headlight bulb. Low Beam OMG075038N 9. Remove the protective cap from the replacement bulb and install the new bulb by matching the plastic base with the headlight hole.