PEUGEOT ADBLUE REMOVAL FOR DUMMIES

Certainly my head dropped. Then soon after 20 miles of driving the lights turned off. I took it back to my regional garage and no fault codes came up. (I drilled the hole while in the cap by then).I purchased a peoguot skilled van 2019. 26k on clock from private consumer. Took it for an extended check drive . Almost nothing. Drove it for 300 miles