.. Unlocking the tube inside the switcher

Well, you can't. But maybe you could get a sneak peek of the message through that window.

If youd could stop the message there, for a while. Did you notice what the repair demon did?

He inserted his maintenance card into the slot while he was fixing. Maybe you could insert a card into the slot, too.

There's a deck of playing cards on the table in Manny's office.You should have a deck of cards with you. Use one playing card to block the message.

The air current is too strong and, as it cannot get through the card, the current will catch the card. Try to get the card to stay in place.