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Frequently asked questions about cars and motorcycles

How to reset the AdBlue warning light on the Peugeot 508?

Model: Peugeot 508 MK 2 - Years 2018-2026
Part: AdBlue warning light

To reset the AdBlue warning light on the Peugeot 508, top up the additional fluid in the designated tank: to access the tank's vent, open the boot of the car. In the boot, lift the carpet at the base and remove the spare wheel located underneath. This will reveal a blue cap that needs to be removed: the fluid can then be added to the tank, which will turn off the warning light.

Updated on 23 July 2026 by ScegliAuto

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