You can renew media you have borrowed here.
Start the WebOPAC and click on the link Account. Logon with your library user account number and your password (help). Confirm the information using send to open your account.
You can renew media with the link Bulk Renewal. The new due date will be shown immediately. The earliest point of time you can renew media is one week before the loan period ends.
Take note of possible denials of extension (which are possible due to the media having been reserved by another user).
If you experience problems, contact the library staff.