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Frequently asked questions about cars and motorcycles

How to remove the AdBlue warning light on the Citroen C4 Cactus?

Model: Citroen Cactus MK 1 - Years: 2014, 2015, 2016, 2017, 2018, 2019, 2020
Part: AdBlue warning light

Video tutorial

If the AdBlue warning light has illuminated on the dashboard of your Citroen C4 Cactus, it means that the fluid in the emissions system needs to be topped up as it has reached the minimum level. This is a very simple and quick operation; let’s see how to proceed in this tutorial.

First, purchase a canister of urea from your trusted auto parts store, then turn off the engine, open the rear hatch, and remove the spare wheel. Next, open the indicated cap, insert the canister's nozzle into the hole, and pour in the necessary amount of fluid to reach the maximum level.


Updated on 2 September 2026 by ScegliAuto


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by ScegliAuto

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