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.
...
Other information:
Shift to “P” position (for smart key system and automatic transaxle/dual clutch
transmission)
This warning message illuminates if you try to turn off the engine without
the shift lever in P (Park) position.
At this time, the Engine Start/Stop Button turns to the ACC position (If
you pres ...
Components
Connector Pin Information
No.
Connector A
Connector B
Connector C
1
Battery (+)
C CAN high
Assistant seat belt indicator
2
IGN 1
...