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: Smart Key Unit Repair procedures
Inspection
Smart Key Unit
–
Refer to Smart key system - "Smart key Diagnostic"
Smart Key Switch
–
Refer to Smart key system - "Smart key Diagnostic"
Antenna
–
Refer to ...
Kia Cee'd JD Service Manual: Tail Gate Trim Components and components location
Component Location
1. Tail gate trim
...