If the side repeater lamp (LED type) does not operate, we recommend that you checked an authorized Kia dealer.
Kia Niro 2017 (DE HEV) Service Manual: Heater Core Repair procedures
Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the heater and blower assembly.
(Refer to Heater -"Heater Unit")
3.
Remove the heater core cover (A) after loosening the mounting screw ...
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 ...