Even though they're both adults now, Rita's brother still 'knows how to push her buttons'. [=he is easily able to annoy or frustrate her]
Medical officials says there is no need to 'push the panic button' over two isolated cases of the disease.
With a fax machine, you can send a document across the country with the touch/push of a 'button'.
(..) These guys run the city. The government's done a deal with 'em. Bane's got their balls in a vice. That's not a deal. You move on Bane... the triggerman is gonna hit the button. You think he's given control of that bomb to one of the people? You think this is part of some revolution? There's one man with his finger on the button. That's Bane. Look... We've all gotta keep our heads down till they can fix this. - If you still had a family here... - This only gets fixed from inside the city! Look, Peter. (..)2012 The Dark Knight Rises