Always, put the fuse switch at the ON position.
If you move the switch to the OFF position, some items such as audio and digital clock must be reset and transmitter (or smart key) may not work properly.
If the fuse switch is in OFF, a warning sign will illuminate on the dashboard.
CAUTION
Kia Niro (DE HEV) Owners Manual: Inverter coolant
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 spec ...
Kia Niro 2017 (DE HEV) Service Manual: Repair procedures
Replacement
Use a plastic panel removal tool to remove interior trim pieces without
marring the surface.
1.
Open the fuel filler door and then filler door cap.
2.
...