Kia Rio: 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 would seal 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.

Repair procedures
Removal
1.
Turn the ignition switch OFF and disconnect the battery negative (-)
terminal.
2.
Remove the fuel tank assembly.
...
Description and operation
Description
Exhaust emissions (CO, HC, NOx) are controlled by a combination of engine modifications
and the addition of special control components.
Modifica ...
Other information:
Components and components location
Components
Repair procedures
Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the rear bumper assembly.
(Refer to Body - "Rear Bumper Assembly")
3 ...
Description and operation
Airbag Disposal
Special tool required
Deployment tool 0957A-34100A
Before scrapping any airbags or side airbags (including those in a whole vehicle
to be scrapped), the airbags or side airbags must be deployed. If the vehicle is
still withi ...