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: Repair procedures
Adjustment
1.
After loosening the tail gate hinge (A) mounting bolt, adjust the tail
gate by moving it up or down, or right or left.
2.
Adjust the tail gate height by turning the tail gate overslam bumpers
(B).
...
Kia Cee'd JD Service Manual: Specifications
Specification
Ignition System
Ignition Coil
Item
Specification
Primary Coil Resistance (Ω)
0.75 ± 15% [20°C (68°F)]
Secondary Coil Resistance (kΩ)
5.9 [20°C (68°F)] ...