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:
Component Location
[Second row seat assembly]
(Except Europe and Australia)
[5-seat vehicle]
1. Rear seat back webbing lever
(For Europe and Australia)
[5/7-seat vehicle]
...
Warning Lamp Activation
Warning Lamp Behavior after Ignition
On
As soon as the operating voltage is applied to the SRSCM ignition input, the
SRSCM activates the warning lamp for a LED lamp check.
The lamp shall turn on for 6 seconds during the initialization ...