The lock buzzed like a bee in a bottle, and the door popped open.
The lock buzzed, and he pushed it open.
The lock buzzed; she heaved open the heavy front door and stepped within.
The lock buzzed briefly, and the door swung back.
The lock buzzed and Banks pushed open the front door.
After a while she heard movement outside the cell, then the lock buzzed.
The lock buzzed, and Shad pulled open the door.
Then the lock buzzed, and they swam out into the crushing, planet-spanning ocean, almost one creature.
A second later, the lock on the second door buzzed.
A moment later, the lock buzzed open, allowing the three to enter.