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How to top up AdBlue on a diesel vehicle.

Model: (Various brands) Various
Part: AdBlue warning light

When the AdBlue warning light comes on in a diesel vehicle, it means that it is necessary to top up the liquid inside the tank. We open the diesel door and unscrew the blue cap next to the one usually used for refueling. After removing the cap, using the tube provided with the purchase of the canister, we pour the liquid into the tank. The tank capacity is 10 liters, once the top-up is done and the cap and fuel door are closed, we start the vehicle and run the engine to reset the warning light.

Posted on 17 November 2025 by ScegliAuto

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