NOT KNOWN DETAILS ABOUT PEUGEOT ADBLUE REMOVAL

I've performed something else so I desired to share my solution in an effort to check out to help you others that have the same issue. I didn't put a hole in my fuel cap (I have more mature model without the need of white or black dot on top of it) but I've pull off black rubber ring through the neck of the gasoline tank that is benith cap and set