See also:

Diesel additive level
A low additive level is indicated by illumination of the service warning lamp, accompanied by an audible warning and a message in the screen. Topping up This additive must be topped up by a PEUGEO ...

Misfuel prevention (Diesel)
Mechanical device which prevents filling the tank of a Diesel vehicle with petrol. It avoids the risk of engine damage that can result from filling with the wrong fuel. Located in the filler neck ...

Checking levels
If a level drops significantly, have the corresponding system checked by a PEUGEOT dealer or a qualified workshop. Check all of these levels regularly and top them up if necessary, unless otherwis ...