You can renew items by going to HUGO. Log in with your HU-account. The loan can be renewed for a maximum number of 12 times or until the material is reserved by another borrower.
Go to HUGO and look for the item you wish to reserve.
Click the button 'Reserve', log in with your HU-account ('Reserveren' in the Dutch interface).
You will receive an email as soon as the title is available on the chosen location.
Should you need more help please contact the library.