1. If you want to change your email address or personal password, go to the library website (open new windows) and log onto “Personal Library” to change your personal information. 2. If you want to change personal information such as your registered household address, contact address, cellphone number, home number, and I-Pass number, please bring your library card, ROC ID/ARC, driver’s license or household registration record to any Kaohsiung City library and our library staff will assist you with your needs.