NOT KNOWN DETAILS ABOUT PEUGEOT ADBLUE REMOVAL

I have completed something else so I desired to share my Answer so that you can check out to help Other people who may have the same dilemma. I failed to set a hole in my fuel cap (I have older design without the need of white or black dot on top of it) but I've pull off black rubber ring with the neck of the gas tank which is benith cap and put th