In some climates it is recommended that a lower viscosity "winter weight" oil be used during cold weather. See chapter 8 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
Check spark plugs and ignition
systemKia Cee'd JD Service Manual: Components and components location
Component Location
1. Quarter fixed glass
...
Kia Cee'd JD Service Manual: Engine Coolant Temperature Sensor (ECTS) Repair procedures
Inspection
1.
Turn the ignition switch OFF.
2.
Remove the ECTS (Refer to "Removal").
3.
After immersing the thermistor of the sensor into engine coolant, measure
resistance between the ECTS ...