If you are within 0.7 ~ 1m (28 ~ 39.3 in) from the outside tailgate handle, with your smart key in possession, the tailgate will unlock and open when you press the tailgate handle switch.
The hazard warning lights will blink twice to indicate that the tailgate is unlocked.
Also, once the tailgate is opened and then closed, the tailgate will lock automatically.
Kia Niro 2017 (DE HEV) Service Manual: Vapor Hose and Fuel Filler Cap Repair procedures
Inspection
Vapor hose
1.
Check all the clamps for tightness and the connections for leakage.
2.
Visually check the vapor lines and hoses for cracks, leaks, loose connections,
or deformation.
Fuel filler cap
1.
V ...
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
...