This indicator light illuminates:
• When the headlights are on.
Kia Niro 2017 (DE HEV) Service Manual: Components and components location
Component Location Index
[Engine Room]
1. Ambient Temperature Sensor
2. Receiver-drier
3. Condenser
4. Compressor
5. Discharge hose
6. The service port (voltage)
7. The service port (high pressure)
8. A/C Pressure Transducer (APT)
...
Kia Niro 2017 (DE HEV) Service Manual: Crankshaft Position Sensor (CKPS) Specifications
Specification
Item
Specification
Coil Resistance (Ω)
774 - 946 [20°C (68°F)]
...