How do I trigger a panic alarm from my Keychain Remote? Follow To trigger a panic alarm, press and hold the lock and the unlock button at the same time for 5 seconds. The monitoring station will call you to verify your alarm. If they can’t get in touch with you, they will dispatch the police. Facebook Twitter LinkedIn Comments 0 comments Article is closed for comments. Articles in this section How do I trigger a panic alarm from my Keychain Remote? What is the size of the Keychain Remote? What do the buttons on my Keychain Remote mean? Can I arm silently from my Keychain Remote? Can I arm my system with no entry delay from the Keychain remote?