Maintenance Panel

"We also have some other stuff here that you might not need tonight, however, make sure to use The Maintenance Panel every once in a while. You can use it to repair your Oxygen, Ventilation, and Power."

Henry Smith on Night 1 talking about the panel.

The Panel is important as the panel has a power option. When the power reaches -1%, the power will cut out. Afterward, the player will be killed by Molten Fazbear after his Toreador March theme cut outs.

Toreador March Theme: