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How to Remove the AdBlue Warning Light in an Audi A6?

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

If the AdBlue warning light is on in your Audi A6 instrument cluster, it means the emissions fluid is at a too low level and needs to be refilled. This is an extremely simple and quick operation; let's see how to proceed in this tutorial. First, purchase a 2.6-gallon container of fluid from an auto parts store. Then, retrieve the wheel-changing tool from your vehicle, open the fuel door, and unscrew the small right cap. Next, insert the hose into the opening, add the necessary amount of fluid, and drive a few miles.

Updated on 4 September 2026 by ScegliAuto

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