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Resetting the AdBlue Warning Light on the Audi A4

Model: Audi A4 B9 - Years 2014-2024
Part: AdBlue warning light

This guide will show you how to reset the AdBlue refill warning light on the Audi A4. First, ensure you have actually refilled the AdBlue; then use the appropriate diagnostic software to access the vehicle's control unit by turning on the ignition, as shown in the video. At this point, follow the guided procedure to reset the AdBlue warning, making sure that the service light is completely reset on the instrument panel, following the tutorial video until the end!

Updated on 11 September 2026 by ScegliAuto

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by ScegliAuto

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