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
IMS Electrical System
Item
Specification
Rating voltage
DC 12V
Operating voltage
DC 9V ~ 16V
Operating temperature
-30°C ~ +80°C
...
Kia Cee'd JD Service Manual: Components and components location
Components
1. Clutch release fork
2. Clutch cover assembly
3. Clutch disk assembly
4. Clutch release bearing
...