Kia Carens: Evaporative Emission Control System / Fuel Filler Cap Description and operation
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.

Removal
1.
Lift the vehicle.
2.
Disconnect the vapor hose quick-connector (A) and ventilation hose (B).
3.
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Other information:
Your vehicle is equipped with driver's and front passenger's pre-tensioner seat
belts (retractor pretensioner and EFD (Emergency Fastening Device)). The pre-tensioner
seat belts can be activated, where the frontal collision is severe enough, together
with the air bags.
When the vehicle stops sud ...
Inspection
1.
Operate the auto light switch, then check for continuity between terminals
of multi-function switch connector.
[LHD]
[RHD]
...