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How to top up AdBlue 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 brief tutorial, we will see how to top up the AdBlue fluid on a Peugeot 308 with a BlueHDI diesel engine, second generation model produced from 2013 to 2021. The AdBlue tank cap is located on the boot floor, so open the boot and remove the trim and panel from the bottom.

Here, next to the spare wheel, you will find the tank cap. To top up the fluid, simply unscrew the cap and refill with AdBlue. The tank has a capacity of 17 litres; it is recommended to top up with about 10 to 13 litres.


Updated on 29 October 2026 by ScegliAuto


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by ScegliAuto

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