set off

Someone must have gotten through the encryption, set off an alarm.

Pretty Little Liars S5E16

Gibbler, put that shoe on before you set off the smoke alarm.

Full House S6E6

Did you set off the explosion that killed the town council?

The Vampire Diaries S4E2

nothing at all's going to set you off?

New Girl S2E7

- I love your son and I will always do everything I can to respect him and to protect him from all of the things in life that can set him off.

Schitt's Creek S6E7

Low-tech, doesn't set off the alarms upstairs.

Doctor Who S8E0

He thinks that Jeffrey overheard he was being moved to another facility and that set him off.

Bones S9E15

You have any idea how many alarms that's gonna set off between here and D.C.?

Breaking Bad S5E5