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How to Reset the AdBlue Warning Light on a Citroen C4

Model: Citroen C4 MK 3 - Years: 2020, 2021, 2022, 2023, 2024, 2025, 2026
Part: Warning light – error code

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Video tutorial

If, while driving, the AdBlue warning light illuminates on the instrument panel of your vehicle and a mileage indication appears after which the car will no longer start, the instructions below explain how to proceed. In reality, you need not worry too much in this case because to turn off the light, it will be sufficient to top up the anti-pollution additive in the tank located above the fuel tank, which has a blue cap next to the fuel cap.


Updated on 30 July 2026 by ScegliAuto


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How to Open the Fuel Flap on a Volkswagen Tiguan?

To open the fuel flap on a Volkswagen Tiguan, first unlock the car using the appropriate button on the remote. This will open the car and unlock the mechanism that controls the fuel flap. At this point, apply light pressure to the left side of the flap to open it and access the cap underneath. Once this is unscrewed, you can refuel and then close everything.

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by ScegliAuto

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