My Citroen C5 has started displaying the notice that the diesel additive needs topping up.
I cannot se any reference as to how to do this in the manual.
Any help or suggestions would be appreciated
Thanks.
Not sure on Citroens but it is in and around the fuel tank on other motors,it will need to go onto the correct computer to update your fuel system in the changes being made.
cdc
August 2014
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