Kia Optima: Fuel Filler Cap. Description and OperationDescription
A ratchet tightening device on the threaded fuel filler cap reduces the chances of incorrect installation, which seals the fuel filler. After the gasket on the fuel filler cap and the filler neck flange contact each other, the ratchet produces a loud clicking noise indicating the seal has been set.

InstallationTowing
If the vehicle needs to be towed, call a professional towing service. Never
tow vehicle with just a rope or chain. It is very dangerous. ...
Components
1. Heater Case (LH)
2. Separator
3. Evaporator Core
4. Shower Duct
5. Heater Core Cover
6. Heater Core
7. Mode Actuator
8. Mode Cam
9. Temp Actua ...
Chart 4
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