This warning light illuminates:
When there is a malfunction with the hybrid system.
In this case, we recommend that you have the vehicle inspected by an authorized Kia dealer.
Kia Niro 2017 (DE HEV) Service Manual: Brake Line Repair procedures
Removal
1.
Disconnect the brake fluid level switch connector, and remove the reservoir
cap.
2.
Remove the brake fluid from the master cylinder reservoir with a syringe.
...
Kia Niro 2017 (DE HEV) Service Manual: Intake Air Temperature Sensor (IATS) Description and operation
Description
Mounted inside the Manifold Absolute Pressure Sensor, Intake Air Temperature
Sensor (IATS) detects the intake air temperature.
To precisely calculate the amount of air, correction of the air temperature is
required as the air density varies with the temperature. So the ...