You can do a demo on your iPhone, instructions here - https://support.apple.com/en-au/HT213426#:~:text=Try%20the%20Emergency%20SOS%20via%20satellite%20demo htt

You can do a demo on your iPhone, instructions here - https://support.apple.com/en-au/HT213426#:~:text=Try%20the%20Emergency%20SOS%20via%20satellite%20demo https://support.apple.com/en-au/HT213426#:~:text=Try%20the%2... Save you having to work it out while you are panicking or got blood loss etc