You can set your phone to automatically make an emergency call when your phone detects that you've been in a severe car crash.
Press Emergency SOS.
Press the indicator next to "Call After Serious Crash" to turn on the function.
Press Set up Emergency Contacts in Health and follow the instructions on the screen to key in your emergency info and emergency contacts.
Slide your finger upwards starting from the bottom of the screen to return to the home screen.