You should always attach chains between your vehicle and your trailer. Cross the safety chains under the tongue of the trailer so that the tongue will not drop to the road if it becomes separated from the hitch.
Instructions about safety chains may be provided by the hitch manufacturer or by the trailer manufacturer. Follow the manufacturer’s recommendation for attaching safety chains. Always leave just enough slack so you can turn with your trailer. And, never allow safety chains to drag on the ground.
Kia Cee'd JD Service Manual: Cylinder Head Cover Components and components location
Components
1. Cylinder head cover
2. Cylinder head cover gasket
3. Cam position sensor
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Kia Cee'd JD Service Manual: Spark Plug Specifications
Specification
Item
Specification
Type
SILZKR6810
Gap
0.9 ~ 1.0 mm (0.0354 ~ 0.0394 in.)
...