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: Components and components location
Component Location
1. Door lock switch
2. SJB (Smart Junction Box)
3. BCM (Body Control Module)
4. Front door lock actuator
5. Rear door lock actuator
6. Tailgate open actuator
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Kia Cee'd JD Service Manual: Air Conditioning System Repair procedures
Refrigerant System Service
Basics (R-134a)
Refrigerant Recovery
Use only service equipment that is U.L-listed and is certified to meet the requirements
of SAE J2210 to remove HFC-134a(R-134a) from the air conditioning system.
...