кнопка тревожной сигнализации(a button in a bank, store, etc., that a person can press to call for help during an emergency (such as a robbery) push/hit/press the panic button : to become extremely afraid or nervous when something bad happens or might happen Medical officials says there is no need to push the panic button over two isolated cases of the disease. MWALD Alexander Demidov)
поднимать панику(Our navigator pushed his panic button first when we began to sink. — Наш штурман первым потерял самообладание и запаниковал, когда мы начали тонуть.)