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: Side Impact Sensor (SIS) Repair procedures
Removal
Side Impact Sensor
1.
Disconnect the battery negative cable and wait for at least three minutes
before beginning work.
2.
Remove the door scuff trim.
(Refer to Body - "Door scuff trim")
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Kia Cee'd JD Service Manual: Rear Bumper beam Assembly Components and components location
Component Location
1. Rear bumper beam assembly
...