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:
Inspection
1.
Check for continuity between the terminals while operating the wiper
and washer switch. If it is not normal condition, replace wiper and
wiper switch.
[LHD]
[RHD]
Rear Wiper Switch
[Upward Type] ...
Specification
Item
Specification
Control type
N/H (Normal High)
Control pressure kpa (kgf/cm², psi)
"500.14 ~ 9.81 (5.1 ~ 0.1, 72.54 ~ 1.42)"
Current value (mA)
...