Inspect your spark plugs as described in chapter 7 and replace them if necessary. Also check all ignition wiring and components to be sure they are not cracked, worn or damaged in any way.
Change to "winter weight" oil if
necessary
To keep locks from freezingKia Cee'd JD Service Manual: Specifications
Specifications
Items
Specification
Rated voltage
DC 12V
Operating voltage
9V ~ 16V
Operating speed
30㎞/h ~ 250㎞/h
Sensible distance
...
Kia Cee'd JD Service Manual: Thermostat Troubleshooting
Troubleshooting
Symptoms
Possible Causes
Remedy
Coolant leakage
•
From the thermostat gasket
Check the mounting bolts
•
...