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Mazda Mazda3 Map Light Bulbs Replacement Guide
How to change a burnt out overhead map light bulb in a 2nd generation 2010 to 2013 Mazda Mazda3 with pictures.

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Paul B. Michaels
Author & Photographer
Auto Mechanic Since 1989

Mazda3 Map Lights
Gently Pry Out Lens Cover
Lens Cover Removed
This automotive "how-to" guide was specifically written to assist owners of the second generation (2010, 2011, 2012 & 2013) Mazda Mazda3 in replacing a burnt out overhead map light bulb or upgrading them both to brighter LED units.

Owners of other Mazda vehicles such as the Mazda2, Mazda5, Mazda6, MX-5 Miata, Mazdaspeed3, CX-5, CX-7, CX-9, MPV, Tribute, RX-8, Axela, Demio, Verisa, Premacy, and Atenza may also find these DIY instructions to be helpful.

Replacement "festoon" style map light bulbs are part number DE3175 from manufacturers such as Sylvania, GE, Eiko, and PIAA.

You can also use a brighter DE3175 LED bulb.

The only tool needed to access the map light bulbs is a small flathead screwdriver used to pry out the translucent plastic lens cover.

Map Light Bulb Exposed
Pull Back Metal Contact
DE3175 Bulb Removed
To avoid scratching the plastic surfaces, you may choose to wrap the tip of the screwdriver with a thin micro fiber cloth.

Insert the blade of the small flathead screwdriver in between the outer edge of the map light lens cover and the overhead console.

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

Be careful when you remove the old light bulb.

If the old light bulb was recently turned on, it might still be hot enough to burn your fingers.

Press the rear metal electrical contact backwards to relieve the tension on the bulb and pull the old bulb out.


Map Light Bulb Socket
Insert Front End First
Pop New Bulb In Place
Insert a new # DE3175 bulb in to the electrical terminal closest to the front of the vehicle and then pop in the rear end of the bulb.

If you are installing an LED bulb and it doesn't work, it might be a polarized bulb, so try flipping it around 180 degrees in the socket.

Make sure that the metal tip of the new bulb is resting inside the hole in the spring like rear electrical contact.

Insert Inner Edge First
Gently Snap Lens Cover In
Test New Map Light Bulbs
Insert the inner edge of the lens cover in first and then gently snap the outer edge in place.

Test the new map light bulb by pressing the lens cover to activate the "On/Off" switch.

For more, check out my other 2010-2013 Mazda Mazda3 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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