If the Smart Key does not operate normally, you can lock or unlock the door by using the mechanical key.
Move the release lever in the direction of the arrow (1) and then remove the mechanical key (2). Insert the mechanical key into the key hole on the door.
To reinstall the mechanical key, put the key into the hole and push it until a click sound is heard.
Hyundai Kona (OS) 2018-2021 Owners Manual: Vehicle weight
Two labels on your driver's door sill show how much weight your vehicle was designed
to carry: the Tire and Loading Information Label and the Certification Label.
Before loading your vehicle, familiarize yourself with the following terms for
determining your vehicle's weight ratings, from the vehi ...
Hyundai Kona (OS) 2018-2021 Service Manual: Power Door Lock Switch Repair procedures
Inspection
Power Door Lock Switch Inspection
1.
Check for continuity between the terminals. If there is an abnormality,
replace the switch.
Removal
...