Kia Niro: Light bulbs / Back-up lamp bulb replacement

Stop and tail lamp (LED type) bulb replacement

If the stop and tail lamp (LED) does not operate, we recommend that you checked an authorized Kia dealer. ...

High mounted stop lamp bulb replacement

If the high mounted stop lamp (LED) does not operate, we recommend that you checked an authorized Kia dealer. ...

Other information:

Kia Niro 2017 (DE HEV) Service Manual: Engine Coolant Temperature Sensor (ECTS) Schematic diagrams
Circuit Diagram ECTS [Water Temperature Control Assembly] Harness Connector ECTS [EGR Cooler Tube] Harness Connector ...

Kia Niro 2017 (DE HEV) Service Manual: Tailgate Assembly Repair procedures
Replacement    Wear gloves to protect hands from injury.    Work in a group of two when removing and installing the tailgate. ...