You can activate the Emergency Siren on Apple Watch Ultra, to alert others when you’re in danger by following the step-by-step process shown in the video. We will also show you how loud can the Siren be and how to stop it.
0:00 What this video is about
0:17 Activate Emergency Siren
1:05 Stop Siren on Apple Watch Ultra
![](https://i.ytimg.com/vi/BeF-ROecxFk/maxresdefault.jpg)