Kia Niro: Winter driving / Change to "winter weight" oil if necessary
In some climates it is recommended that a lower viscosity "winter weight" oil be used during cold weather. See section 9 for recommendations. If you aren't sure what weight oil you should use, we recommend that you consult an authorized Kia dealer.
Check battery and cables
Winter puts additional burdens on the battery system. Visually inspect the battery
and cables as described in section 8.We recommend that the level of charge in your
battery be checked by an autho ...
Check spark plugs and ignition system
Inspect your spark plugs as described in section 8 and replace them if necessary.
Also check all ignition wiring and components to be sure they are not cracked, worn
or CAUTION damaged in any way. ...
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: Fuel Filter Repair procedures
Removal
1.
Remove the fuel pump.
(Refer to Fuel Delivery System - "Fuel Pump")
2.
Disconnect the fuel pump motor connector (A) and fuel sender connector
(B).
3.
Lift the fixing hook (A) by using ...