This warning light illuminates :
Hyundai Sonata LF 2014-2019 Service Manual: Hood Latch Repair procedures
Replacement
1.
Remove the front bumper.
(Refer to Front bumper - "Front bumper cover")
2.
Remove the head lamps [RH].
(Refer to Body Electrical System - "Head Lamps")
3.
Disconnect the connector (A), then remove the wiring mounting clips.
4.
Remove the hood latch (A) mounting bolts ...
Hyundai Sonata LF 2014-2019 Service Manual: Rear Bumper Cover Repair procedures
Replacement
•
Put on gloves to protect your hands.
•
When prying with a flat-tip screwdriver or use a prying trim
tool, wrap it with protective tape, and apply protective tape around the
related parts, to prevent damage.
•
...