Kia Niro 2017 (DE HEV) Service Manual: Filler-Neck Assembly Repair procedures
Removal
1.
Open the fuel filler door.
2.
Switch "OFF" the ignition and disconnect the negative (-) terminal of
the auxiliary 12V battery.
3.
Remove the filler-neck assembly mounting bolt (A).
...
Kia Niro 2017 (DE HEV) Service Manual: Smart Key Repair procedures
Smart Key
Smart Key Code Saving
1.
Connect the DLC cable of KDS/GDS to the data link connector (16 pins)
in driver side crash pad lower panel, turn the power on KDS/GDS.
2.
Select the vehicle model and then do "Smart key code sa ...