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How to Check the AdBlue Level on a Peugeot 308

Model: Peugeot 308 T9, MK 2 - Years: 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021
Part: AdBlue warning light

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Video tutorial

In this video, you will see how to check the AdBlue level on a Peugeot 308. On the right side of the dashboard, there is a button with three squares: pressing it will display the maintenance schedule in miles and time, followed by how many miles remain until the AdBlue needs refilling.

After a certain number of miles, starting the vehicle will become impossible due to the lack of the additive.

There is another way to view this information from the multimedia screen: touch the car icon, click on "diagnostics", go to "AdBlue", and it will suggest refilling the level. We know that crystallisation inside the tank occurs due to the presence of air, and keeping the tank full is the only way to prevent crystallisation.

If we check the diagnostics now, it will indicate that the tank is full.


Updated on 23 August 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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