Push the OFF button to turn the climate control system off. However, you can still operate the mode and air intake buttons as long as the ignition switch is in the ON position.
Hyundai Kona (OS) 2018-2023 Owners Manual: Deadlocks
Some vehicles are equipped with a deadlock system. Deadlocks prevent opening
of a door from either inside or outside the vehicle once the deadlocks have been
activated providing an additional measure of vehicle security.
To lock the vehicle using the deadlock function, the doors must be locked by ...
Hyundai Kona (OS) 2018-2023 Service Manual: Front Door Trim Components and components location
Component Location
1. Front door trim
...