The chain hung there, but the other two automatic locks were still in place, pulled shut from the outside.

At least Paul's ring was answered, for the door buzzed to release the automatic lock.

He hit the automatic lock, then headed for the elevators.

A moment later, there came the sound of heavy automatic locks being released.

She headed for the bedroom, then realized that only the automatic lock was engaged on the front door.

The hatch slammed shut and the automatic lock snapped in.

Of course there was another way, the fire tower, but it had a door with an automatic lock at the top.

By the time she finished saving us, the automatic locks wouldn't let her out of targeting control.

Then the automatic locks shut, and the mountain was sealed off.

A loud click followed, as an automatic lock was fastened.