This indicator light illuminates when:
Hyundai Kona (OS) 2018-2025 Owners Manual: Underbody maintenance
Corrosive materials used for ice and snow removal and dust control may collect
on the underbody. If these materials are not removed, accelerated rusting can occur
on underbody parts such as the fuel lines, frame, floor pan and exhaust system,
even though they have been treated with rust protectio ...
Hyundai Kona (OS) 2018-2025 Service Manual: In-car Sensor Description and operation
Description
The In-car air temperature sensor is built in the heater & A/C control unit.
The sensor contains a thermistor which measures the temperature of the inside.
The signal decided by the resistance value which changes in accordance with
perceived inside ...