The high-pressure cooling system has a reservoir filled with year-round antifreeze coolant. The reservoir is filled at the factory.
Check the antifreeze protection and coolant concentration level at least once a year, at the beginning of the winter season, and before traveling to a colder climate.
NOTICE
Hyundai Kona (OS) 2018-2025 Service Manual: Evaporator Temperature Sensor Repair procedures
Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the evaporator temperature sensor connector.
3.
Measure the resistance between terminal "+" and "-" of t ...
Hyundai Kona (OS) 2018-2025 Owners Manual: Limitations of the system
The driver must be cautious in the below situations, because the system may not
detect other vehicles or objects in certain circumstances.
When a trailer or carrier is installed.
The vehicle drives in inclement weather such as heavy rain or snow.
The sensor is polluted with rain, snow, mud, etc ...