Kia Optima: Multimedia jack. Description and OperationDescription
The multimedia jack on the console upper cover is for customers who like to listen to external portable music players like the MP3, iPod and etc., through the vehicle's sound system when it is linked to this jack. The customer has this added option.In case of distortions from media connected to the AUX source, the audio unit may not be defective but the output level of the used media does not match the specification of the AUX input.

Multimedia jack. Schematic DiagramsExterior care
Exterior general caution
It is very important to follow the label
directions when using any chemical
cleaner or polish. Read all warning and
caution statements that appear on the
label.
Fini ...
Replacement
1.
Remove the rear wheel & tire.
Tightening torque:88.3
~ 107.9N.m(9.0 ~ 11.0kgf.m, 65.1 ~ 79.6lb-ft)
...
Inspection
1.
Check the condenser fins for
clogging and damage. If clogged, clean them with water, and blow them with
compressed air. If bent, gently bend them using a screwdriver or pliers.
...