To lock the doors, press the Door Lock button (1) on the remote key.
To unlock the doors, press the Door Unlock button (2) on the remote key.
Once the doors are unlocked, they may be opened by pulling the door handle.
When closing the door, push the door by hand. Make sure that doors are closed securely.
Hyundai Kona (OS) 2018-2024 Service Manual: RCV Control Solenoid Valve Repair procedures
Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the RCV connector.
3.
Measure resistance between the RCV terminals 1 and 2.
4.
Check that the resistance is within the spec ...
Hyundai Kona (OS) 2018-2024 Service Manual: Components and components location
Component Location
1. Horn switch
2. Horn relay (Built - in PCB Block)
3. Horn
4. Clock spring
...