In case of emergency - number

In case of emergency = IN --> Help us to help!!!
Rescuers and ambulance drivers have noticed that in road accidents and other accidents
Most of the wounded have a mobile phone with them. However, during operations, one does not know
who to contact from these long contact lists.
Ambulance drivers have suggested that everyone should include in their contact lists the people they can call in an emergency.
contacting person under the same pseudonym.
The pseudonym recognized in Germany is:
IN (= In case of emergency).
Under this name, you should enter the person who should be contacted in an emergency by the police, fire department, or first aid. If multiple people need to be contacted, you need IN1, IN2, IN3, etc.
It's easy, costs nothing, but can bring a lot.
Please spread this information so that this procedure becomes common practice!