Fog Lamp
Repair Procedures
Removal
Front Fog Lamp
Disconnect the negative battery cable.
Remove the front bumper assembly.
(Refer to Body - "Front Bumper Assembly")
Remove the front fog lamp unit (A) by loosening the mounting screws.

Installation
Install in the reverse order of removal.
Adjustment
Front Fog Lamp Aiming Procedure
If beam aiming equipment is not available, proceed as follows:Inflate the tires to the specified pressure and remove any loads from the vehicle except the driver, spare tire and tools.
The vehicle must be on a level floor.
Draw vertical lines (passing through the centers of the respective fog lamps) and a horizontal line (passing through the center of the fog lamp) on the screen.
When the fog lamps and battery are in normal condition, aim the fog lamps so that the brightest part is located on the horizontal and vertical lines.
A: Fog Vertical
[General Type] [GT Line Type] 

Fog Lamp Aiming Point

[General Type]
| Vehicle Condition | H | L | NOTE |
| Empty | 338 (13.3070) | 1052 (41,4173) | ALL DIMENSIONS in mm (inches) |
| 1 Person on Board | 333 (13.1102) |
[GT Line Type]
| Vehicle Condition | H | L | NOTE |
| Empty | 377 (14,8425) | 1527 (60,1181) | ALL DIMENSIONS in mm (inches) |
| 1 Person on Board | 372 (14,6456) |
Turn on the front fog lamps without the driver.
The cutoff line must be projected within the allowable range (shaded area).

Test yourself
A quick Kia Optima DL3 quiz: every answer comes with an explanation and a link to the manual page.