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DIY Bulbs, LED Info, and What to Leave to the Dealer
(Reference: 2025 Owner’s Manual, pg. 563–565)
Link to Owners Manual: https://trail4runner.com/wp-content/uploads/2025/03/2025-4runner-owners-manual.pdf
The 2025 4Runner includes a mix of standard replaceable bulbs and sealed LED units. Toyota allows some exterior bulb replacements to be done by owners but recommends dealer service for most interior and LED-equipped fixtures.
Image filename:
2025-4runner-light-bulb-replacement-diagram.jpg
(Reference: 2025 Owner’s Manual, pg. 563–565)
Link to Owners Manual: https://trail4runner.com/wp-content/uploads/2025/03/2025-4runner-owners-manual.pdf
The 2025 4Runner includes a mix of standard replaceable bulbs and sealed LED units. Toyota allows some exterior bulb replacements to be done by owners but recommends dealer service for most interior and LED-equipped fixtures.
Owner-Replaceable Bulbs
The following can be replaced by the owner with basic tools:- Side marker lights
- Side turn signal lights
- Tail lights
- Stop lights
- Back-up lights
- Rear turn signal lights
- License plate lights
- High-mounted stoplight
- Trailer hitch light
Front Turn Signal / Parking Lights (Bulb Type)
Only applicable if your 4Runner came with non-LED housings:- Remove the 5 push clips and the air cleaner inlet (passenger side only)
- Turn the bulb base counterclockwise
- Pull out and replace the bulb
- Reinstall in reverse order
Important Warnings
- Always turn off the lights and let them cool before handling
- Do not touch the glass part of the bulb—use a clean, dry cloth
- Make sure bulbs are fully seated and locked to prevent moisture or fire risk
- LED lights are non-serviceable; take your vehicle to a Toyota dealer if they fail
- Never use a bulb with a different wattage or substitute with non-Toyota parts
Signs of Bulb Failure
- Flickering or dim lights
- Warning light on the dash
- Lens condensation or moisture inside the housing
- No illumination when switched on
2025 4Runner Light Bulb Replacement Diagram
See pages 563–565 for the DIY replacement overview and location diagrams.Image filename:
2025-4runner-light-bulb-replacement-diagram.jpg