Kia Cee'd: Winter driving / Change to "winter weight" oil if necessary
In some climates it is recommended that a lower viscosity "winter weight" oil be used during cold weather. See chapter 8 for recommendations. If you aren't sure what weight oil you should use, we recommend that you consult an authorized Kia dealer.
Check battery and cables
Winter puts additional burdens on the
battery system. Visually inspect the battery
and cables as described in chapter
7. We recommend that the system be
checked by an authorized Kia dealer. ...
Check spark plugs and ignition
system
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. ...
Other information:
Kia Cee'd JD Service Manual: Variable Intake Solenoid (VIS) Valve Description and operation
Description
Variable Intake manifold Solenoid (VIS) valve is installed on the intake manifold.
The VIS valve controls the vacuum modulator which activates a valve in the intake
manifold. The ECM opens or closes this valve according to engine condition (Refer
to below table). ...
Kia Cee'd JD Service Manual: Timing Chain Components and components location
Components
1.
Timing chain
2. Timing chain guide
3.
Timing chain arm
4. Timing chain auto tensioner
...
