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    4. : What does the AdBlue warning light on the Audi A4 indicate?

What does the AdBlue warning light on the Audi A4 indicate?
Years 2014-2023

Answer

The AdBlue warning light that appears on the instrument panel of the Audi A4 indicates that the additional fluid inside the tank is almost depleted; the warning light could also indicate damage to the level sensors or leaks.
Posted on: 14 April 2023 by ScegliAuto

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