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:
This warning light illuminates:
Once you set the ignition switch or Engine Start/Stop Button to the ON position.
- It remains on until the engine is started.
When the engine oil pressure is low.
If the engine oil pressure is low:
1. Drive carefully to the nearest safe location and stop ...
If your vehicle is equipped with a sunroof, you can slide or tilt your sunroof
with the sunroof control lever located on the overhead console.
The sunroof can be operated for approximately 30 seconds after the ignition key
is removed or turned to the ACC or LOCK (or OFF) position.
However, i ...