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:
While driving forward to search for a parking space, the above message will appear
with a beep sound if the search is complete. Stop the vehicle and shift to the R
(Reverse) position.
CAUTION
Always drive slowly with the brake pedal applied.
If the parking space is to small the system may be c ...
Press the cruise button (the
cruise indicator light will be turn off).
Press the speed limit button
(If you press the button, the speed limit system will turn on).
Turn the ignition off.
Both of these actions cancel cruise control operation. If you want to resume
cruise control operation ...