To keep the locks from freezing, squirt an approved de-icer fluid or glycerine into the key opening. If a lock is covered with ice, squirt it with an approved de-icing fluid to remove the ice. If the lock is frozen internally, you may be able to thaw it out by using a heated key. Handle the heated key with care to avoid injury.
Check spark plugs and ignition
system
Use approved window washer
anti-freeze in systemKia Cee'd JD Service Manual: Front Door Module Components and components location
Component Location
1. Front door module
...
Kia Cee'd JD Owners Manual: Explanation of scheduled maintenance items
Engine oil and filter
The engine oil and filter should be
changed at the intervals specified in the
maintenance schedule. If the car is being
driven in severe conditions, more frequent
oil and filter changes are required.
Drive belts
Inspect all drive belts for evidence of cuts,
cracks, ...