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Kia Optima Dome Light Bulb Replacement Guide
How to change a burnt out overhead dome light bulb in the headliner of a 3rd generation 2011-2015 Kia Optima sedan.

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Paul B. Michaels
Author & Photographer
Auto Mechanic Since 1989

2013 Optima Dome Light
Pry Out Lens Cover
Lens Cover Removed
This automotive maintenance tutorial was specifically written to assist owners of the third generation (2011, 2012, 2013, 2014 & 2015) Kia Optima in changing a burnt out overhead dome light bulb in the headliner.

Owners of other Kia and Hyundai vehicles with similar dome light housings such as the Forte, Cadenza, Rio, Soul, Sedona, Sorento, Sportage, Sonata, Accent, Elantra, Veloster, Azera, Tucson, Santa Fe and Genesis may also find these DIY instructions to be helpful.

A replacement "festoon" or "fuse" style dome light bulb is part number DE3175 (31mm in length) from manufacturers such as Sylvania, Osram, GE, Philips, Eiko and PIAA.

You may also use the # 6418 (35mm), the slightly longer # 6411 (41mm) or a compatible DE3175 LED unit.

The only tool needed to change the bulb is a small flathead screwdriver used to pry out the translucent plastic lens cover.

Old Dome Bulb Exposed
Pull Bulb Out of Socket
Old # DE3175 Festoon Bulb
To avoid scratching the plastic surfaces, you may choose to cover the tip of the flathead screwdriver with a thin micro fiber cloth.

Carefully insert the blade of the small flathead screwdriver in between the lens cover and the dome light housing at one of the two small notches on the front edge.

Gently pry out the lens cover and set it aside in a safe place.

You may need to re-insert the screwdriver in to the other notch in order to pry out the cover. The cover should pop out relatively easily so avoid using excessive force.

Grasp the old bulb with your thumb and forefinger before pulling it straight out of the socket.

Empty Dome Bulb Socket
Push In New # DE3175 Bulb
Insert Rear Edge First
Push a new "festoon" or "fuse" style number DE3175 bulb straight in to the socket.

If you use a larger # 6418 (35mm), 6423 (36mm) or 6411 (41mm) bulb, just gently bend back the metal electrical contacts until they securely hold the metal end caps on the new bulb.

You may also use a brighter LED unit. (Tip: If the LED bulb doesn't work at first, try flipping it around in the socket.)

Re-insert the two tabs on the rear edge of the lens cover in to the dome light housing first.

Pop In Front Edge Lens
Test New Dome Light Bulb
Set To "Door" Position
Then gently snap in the front edge of the lens cover in to place.

Test the new bulb by moving the rocker switch to the "On" position.

Set the "On / Door / Off" switch to the "Door" position so that the dome light will illuminate whenever a passenger door is open.

For more, check out my other Kia Optima Repair & Maintenance Guides.

If you found this guide to be helpful, please consider making a small donation by clicking on the "Donate" button located to the right of this paragraph. Thank you!
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