If the Back-up lamp does not operate, we recommend that you checked an authorized Kia dealer.
Kia Niro 2017 (DE HEV) Service Manual: Rear Combination Lamp Repair procedures
Removal
Rear Combination Lamp
(Outside)
1.
Disconnect the negative (-) battery terminal.
2.
Using a screwdriver or remover, remove the rear combination lamp cover
(A).
3.
Remove the rear combination lamp ( ...
Kia Niro 2017 (DE HEV) Service Manual: Rear Seat Belt Retractor Repair procedures
Replacement
When installing the belt, be careful not to damage the retractor.
1.
Remove the rear pillar trim.
(Refer to Interior Trim - "Rear Pillar Trim")
2. ...