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How do you reset the AdBlue warning light on the Audi A3?

Model: Audi A3 MK 4, 8Y - Years 2020-2026
Part: AdBlue warning light

It will be possible to completely make the AdBlue light of the Audi A3 disappear by refilling with the necessary amount of additional fluid: to refill, you will need to open the fuel door and unscrew the blue cap next to the fuel cap. Once this cap has been removed, you can insert the necessary amount of fluid into the tank: this way you can finish the procedure by inserting the cap and closing the fuel door, noting that the light will have disappeared.

Posted on 15 May 2025 by ScegliAuto

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