Please activate the alarm every time you are leaving the house. Near the main entrance you find this panel:
Press this button:
You have now one minute to leave the house through the main entrance or the garage. Otherwise the alarm will come up.
To deactivate the alarm when you come back, you have one minute to present your key tag to the panel. Just hold this:
In front of this:
On the alarm panel.
When the alarm comes up by mistake, don’t panic. Just also present the key tag to the panel. The alarm stops and some seconds later you will get a message that everything is ok.