Double click on the "Magic" button to interrupt the current Android Auto session and connect to the next paired Android device.

How it works:
If you have more than 1 paired phone to Carsifi adapter, you can switch btw them by using the "Magic" button. 

By default, the Carsifi adapter tries to connect to the phone which had the latest success Android Auto session.

If you have 2 phones in your car and you want to switch to an Android Auto session with another phone, you can just double click on the "Magic" button. After clicking the Carsifi adapter disconnects the current session try to connect to the next paired phone and establish an Android Auto session.