A:Answerhere is the manual. Good luck, I could never change the date either. https://www.uniden.com/File%20Library/FooterNav/Product%20Information/Owners%20Manuals/cam250om.pdf
A:AnswerIn the menu there is a setting "format" which will erase and reformat the card. For auto looping set the time frame you want under "loop recording". I set mine at 5 min.