I took my C8 into the main dealer as the Diesel Additive warning light came up. They tell me that Citroen are not stocking it any more. They think that Citroen are trying to source it from somewhere else. They did say that although my car is old, there are a lot of newer cars that will require the stuff at some time. Has anyone heard about this. It appears to have happened only recently as the garage say they have obtained some for a customer recently.
I would be interested to know if anyone has a reliable source for the additive