You must be connected to your GPS via Bluetooth as well as your phone/device be connected to your Wi-Fi.
1. Select the device you want to add a safe place to by tapping it.
2. Then in the top right hand corner tap the gear icon.
3. Scroll down to safe place and open by tapping it.
4. You can then set up the safe place by tapping the displayed Wi-Fi network in the list.
5. You can then tap done.