Kia Optima: 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.
Disconnect the negative (-) battery cable.
2.
Remove the stabilizer bar bushing (A).
Tightening ...
Repair procedures
Removal
1.
Disconnect the negative battery (-) terminal.
2.
Remove the [LH] rear wheel guard.
(Refer to Body - "Rear Whee ...
Other information:
Description and operation
Description
The ECM (Electro Chromatic inside rear view Mirror) is one that automatically
dims to protect the driver’s eyes when it senses light reflecting from the car behind.
The sensor in the mirror detects the brightness and if the headlight from the ...
Repair procedures
Removal
1.
Release the parking brake.
2.
Remove the crash pad lower panel.
(Refer to Body - "Crash Pad Lower Panel")
3.
Disconnect the parking brake switch connector (A).
...