The first time you tap My location , the map displays your current location in the center ─ .
Tap on it to see your exact address and point coordinates.
The button changes color:
If your location was not accurately determined, then the icon will display against a dark circular backdrop. The bigger the circle, the less precise your location is.
When you tap My location a second time, the map will orient so that the direction your device is facing corresponds to going forward on the map. The button changes its appearance:
The third time you tap it, the map orients so that north is up.
You can also change the map orientation by tapping the Compass.