Hyundai Sonata LF 2014-2019 Service Manual: License Lamps Repair procedures
Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the trunk lid panel.
(Refer to Body - "Trunk Lid Trim")
3.
Remove the license lamp after disengaging the license lamp mounting clip (A).
4.
Remove the license lamp assembly after disconnect the license connector (A). ...
Hyundai Sonata LF 2014-2019 Service Manual: Auto Light Sensor Repair procedures
Inspection
Check if the auto light control operates like a timing chart
shown below. Tail lamp output and head lamp (Low) output is controlled
based on the auto light sensor's input (illumination intensity) when the
Auto Light Switch in Multi-Function Switch is turned ON, and the
vehicle ...