This indicator light illuminates:
Hyundai Kona (OS) 2018-2025 Service Manual: TPMS Sensor Description and operation
Description
1.
General description
WU is a sensor placed in the tire that reports pressure and temperature.
The WU is mounted inside the wheels, fixed to the valve. The angle between
the valve and the housing of the WU is variable.
Th ...
Hyundai Kona (OS) 2018-2025 Service Manual: Ambient Temperature Sensor Description and operation
Description
The ambient temperature sensor is located at the front of the condenser
and detects ambient air temperature. It is a negative type thermistor; resistance
will increase with lower temperature, and decrease with higher temperature.
The sensor output will ...