Press the A/C button to turn the air conditioning system on (indicator light will illuminate). Press the button again to turn the air conditioning system off.
Hyundai Kona (OS) 2018-2024 Service Manual: Heater Core Repair procedures
Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the heater and blower assembly.
(Refer to Heater - "Heater Unit")
3.
Remove the heater co ...
Hyundai Kona (OS) 2018-2024 Owners Manual: Smart key precautions
The smart key may not work if any of the following occur:
The smart key is close to a radio transmitter such as a radio station
or an airport which can interfere with normal operation of the transmitter.
The smart key is near a mobile two way radio system or a cellular phone.
Another vehicle ...