Your vehicle is equipped with an Emergency Trunk Safety Release lever located inside the trunk. When someone is inadvertently locked in the trunk, the trunk can be opened by moving the lever in the direction of the arrow and pushing the trunk open.
WARNING
Inside the vehicle
When you can not unlock the trunk due to battery discharge or other reasons, you can unlock the trunk inside the vehicle.
Open the cable cover(1) under the rear seat with a mechanical key and pull the cable (2) for unlocking the trunk.
Hyundai Sonata LF 2014-2019 Service Manual: Cylinder Head Cover Repair procedures
Removal
1.
Remove the engine cover.
2.
Disconnect the battery negative terminal.
3.
Remove the air clean hose.
(Refer to Intake and Exhaust System - "Ari Cleaner")
4.
Disconnect the engine wiring connector and haness clamp and then remove the cylinder head protector and wiring from ...
Hyundai Sonata LF 2014-2019 Owners Manual: Seat Belt Safety Precautions
Always fasten your seat belt and make sure all passengers have fastened their
seat belts before starting any trip. Air bags are designed to supplement the seat
belt as an additional safety device, but they are not a substitute. Most states
require all occupants of a vehicle to wear seat belts.
WA ...