He found a hidden button, pressed it, then replaced the books.
The Druuf pressed a hidden button and the door opened.
Then I'd bring the boys up here and press a hidden button and the head would come rising out of the water.
I did not tell you to press your hidden button.
The switch is here," he pointed to a hidden button in the door frame.
He slipped his left hand under the seat and quietly depressed the hidden button.
That same person must have found and pressed a hidden button that served to bring the car down.
He returned to the desk, pressed a hidden button, and a door popped open.
Offering a smile meant to charm, she pressed a hidden button that opened the door to the inner office.
I imagined him pushing the hidden button that rang the bell at the police station.