Check the condition and connections of all cooling system hoses and heater hoses. Replace any swollen or deteriorated hoses.
The coolant level should be filled between MAX and MIN marks on the side of the coolant reservoir when the engine is cool.
If the coolant level is low, add enough specified coolant to provide protection against freezing and corrosion. Bring the level to MAX, but do not overfill. If frequent additions are required, we recommend that the system be inspected by an authorized Kia dealer.
Kia Niro 2017 (DE HEV) Service Manual: Start/Stop Button Repair procedures
Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the crash pad side cover [RH] (A).
3.
Remove the crash pad plate [RH] (A) after loosening the mounting screws.
4.
...
Kia Niro 2017 (DE HEV) Service Manual: Auto Defogging Sensor Description and operation
Description
Installed on the windshield glass, the auto defogging sensor detects humidity
to blow out wind for defogging to improve visibility and driver comfort. The air
conditioner control module receives signal from the sensor and restrains moisture
and eliminate defog by contr ...