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:
Component Location
1. Cowl top cover
2. Bolt
3. Windshield wiper motor
& link assembly (Driver's side)
4. Windshield wiper motor & link assembly (Passenger's side)
...
If an approaching vehicle detected by sensors, the warning is chime and
the warning light will blink on the outside rearview mirror. The system will
notify the driver through LCD.
If the detected vehicle is out of detection range, moving away in the opposite
direction or moving slow, the w ...