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Toyota Corolla Front Side Marker Light Bulb Replacement Guide
How to change a burnt out front side marker light bulb in a 12th generation 2020, 2021 and 2022 Toyota Corolla.

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2020 Corolla Headlight
Side Marker Outer Edge
Locate Bulb Socket
This automotive maintenance tutorial was specifically written to assist owners of the twelfth generation 2019 (hatchback), 2020, 2021, 2022 (and probably also the 2023, 2024 & 2025) Toyota Corolla sedan in changing a burnt out side marker light bulb located in the headlight housing.

Owners of other Toyota and Lexus vehicles such as the Camry, C-HR, Venza, Avalon, 86, Sienna, Tacoma, RAV4, Highlander, 4Runner, Sequoia, IS 350, RX 350, UX 200, GS 350, IS 300 and ES 350 may also find these DIY instructions to be helpful.

The compatible replacement miniature wedge base light bulb part number is 2825 (also known as # W5W).

If you'd like to have brighter side marker lights, install some 2825 LED units.

No tools are needed to access and replace the bulbs.

The first two steps are to open the hood and then move to the side of the vehicle with the burnt out bulb.


Small Black Bulb Socket
1/4 Turn Counterclockwise
Bulb Socket Removed
Look behind the headlight housing and locate the small round black plastic bulb socket.

Rotate the bulb socket 1/4 turn in the counterclockwise direction before pulling it straight out.

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

Empty Bulb Housing
Pull Out Old Light Bulb
Push In New Light Bulb
Pull the old light bulb straight out of the socket.

Push a new clear number 2825 light bulb straight into the socket.

Clean off any grease or oil on the new bulb with a paper towel and some rubbing alcohol. If the new incandescent bulb is dirty, it will cause a hot spot and reduce the lifespan of the bulb.

If you'd like to have brighter front side marker lights that will also last much longer before burning out, install some compatible replacement 2825 LED bulbs.

New Bulb Installed
1/4 Turn Clockwise
Bulb Socket Secured
Re-insert the bulb socket into the housing and rotate it 1/4 turn in the clockwise direction to secure it into place.

Double check that the socket is securely installed.

Side Marker Socket
Activate Parking Lights
Test New Side Marker
To test the new light bulb, turn on the parking lights or the headlights. You could also press the "Unlock" button on the key fob to activate the exterior lights.

Don't forget to write down the bulb change in your vehicle's service records.

Please check out all of my 2020 Toyota Corolla DIY 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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