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How to Reset the AdBlue Light on the Audi A6

Model: Audi A6 C7, MK 4 - Years 2011-2018
Part: AdBlue warning light

When the AdBlue light appears on the instrument cluster of the Audi A6, it means that the amount of additive fluid in the system is insufficient. You can reset the light by refilling the tank. To do this, open the fuel door located on the rear right side of the vehicle. This will allow you to remove the blue cap next to the fuel cap. Inside this filler neck, you can add the necessary amount of additive fluid to ensure the light disappears completely.

Updated on 19 August 2026 by ScegliAuto

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