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: Troubleshooting
Troubleshooting
Symptom
Suspect area
Remedy
Engine misfire with abnormal internal lower engine noises.
Loose or improperly installed engine flywheel.
Repair or replace the flywheel as required.
...
Kia Cee'd JD Owners Manual: Using the smart key
Park the vehicle and stop the engine.
Arm the system as described below.
1. Turn off the engine.
2. Make sure that all doors, the engine
hood and tailgate are closed and
latched.
3. • Lock the doors by pressing the button
of the front outside door handle with
the smart key in your pos ...