How do you lower crib mattress Da Vinci Parker crib?

To lower the crib mattress in a Da Vinci Parker crib, first, remove any bedding and ensure the crib is empty. Locate the mattress support brackets on the sides of the crib; these usually have multiple height settings. Release the mattress support by pressing the buttons or levers, then adjust it to the desired lower position and secure it back in place. Always double-check that the support is firmly locked before placing the mattress back.