Description And Operation: Description
WARNING: This page is about a different car, the 2017 Kia Niro. However, it is still accessible from the selected car via links, so may be relevant.
The in-car air temperature sensor is built into the heater & A/C control unit.
The sensor consists of a thermistor that measures the temperature inside the vehicle. The signal decided by the resistance that varies with the perceived inside temperature, is delivered to the heater control unit, based on which the unit regulates the in-car temperature to intended value.