1. Open the tailgate.
2. Open the service cover.
3. Loosen the light assembly retaining screws with a cross-tip screwdriver.
4. Remove the rear combination lamp assembly from the body of the vehicle.
5. Disconnect the rear combination lamp connector.
6. Remove the socket from the assembly by turning the socket counterclockwise until the tabs on the socket align with the slots on the assembly.
7. Remove the bulb from the socket by pressing it in and rotating it counterclockwise until the tabs on the bulb align with the slots in the socket. Pull the bulb out of the socket.
8. Insert a new bulb by inserting it into the socket and rotating it until it locks into place.
9. Install the socket in the assembly by aligning the tabs on the socket with the slots in the assembly. Push the socket into the assembly and turn the socket clockwise.
10. Install the rear combination lamp assembly to the body of the vehicle.
11. Install the service cover.
Kia Niro 2017 (DE HEV) Service Manual: Coolant Repair procedures
Refilling And Bleeding
Never remove the cap when the engine is hot. Serious scalding could be
caused by hot fluid under high pressure escaping from the reservoir.
  ...
Kia Niro 2017 (DE HEV) Service Manual: DCT Control Module (TCM) Repair procedures
Inspection
1.
TCM ground circuit test : Measure the resistance between TCM and chassis
ground. (Inspect the terminal connected to the chassis ground with the back
of harness connector as the inspection point of TCM side.)
Specification : Below ...