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How to reset the emissions system warning light on the Opel Astra?

Model: Vauxhall Astra Astra K - Years: 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
Part: Warning light – error code

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Video tutorial

The emissions system warning light on the Opel Astra is the AdBlue warning light. This additive is necessary for all diesel engines used from 2016 onwards.

Once it is illuminated, how can you reset this light? It is important to know that there is no manual reset system for the light. To turn it off, you simply need to refill this additive, and the video provides instructions for this operation.

Just open the cap of the designated tank and pour the liquid inside. The light will automatically turn off immediately or, in most cases, after driving a few miles.


Updated on 20 June 2026 by ScegliAuto


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How to Open the Fuel Flap on a Volkswagen Tiguan?

To open the fuel flap on a Volkswagen Tiguan, first unlock the car using the appropriate button on the remote. This will open the car and unlock the mechanism that controls the fuel flap. At this point, apply light pressure to the left side of the flap to open it and access the cap underneath. Once this is unscrewed, you can refuel and then close everything.

Watch the video!


by ScegliAuto

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