NOT KNOWN DETAILS ABOUT PEUGEOT ADBLUE REMOVAL

I've performed something else so I wished to share my Remedy in order to try out to assist others that have exactly the same dilemma. I did not put a hole in my gasoline cap (I have more mature product without white or black dot on top of it) but I've pull off black rubber ring through the neck of the fuel tank that is benith cap and place the cap