How to open Cold Storage in Resident Evil Requiem

You'll need to puzzle out how to open Cold Storage if you want to progress through the Care Center in Resident Evil Requiem. While it might seem optional at first since it's a little room off to the side of the West Wing, it actually contains a vital item you'll need to acquire the Star Quartz from the Security Manager's puzzle box in the Isolation Ward.

When you first try to open the door, its handwheel snaps off, leaving just a "hexagonal protrusion" with which to somehow unseal it. As you'd imagine...