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How to reset the AdBlue warning light and refill it on the Volkswagen Passat

Model: Volkswagen Passat B8, 3G, MK 8 - Years 2014-2023
Part: AdBlue warning light

Following the instructions in this guide, we will see how to top up the AdBlue fluid and reset the warning light on the Volkswagen Passat. First, we open the fuel door and unscrew the cap of the AdBlue fluid tank; then we proceed to refill the AdBlue, either by topping up or using the appropriate container, as shown in the video. At this point, we get into the car and start the engine, waiting for the control unit to detect the new level of AdBlue fluid and consequently reset the warning light on the instrument panel display.

Posted on 20 November 2025 by ScegliAuto

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