Spotify always in background with Android Auto

[pari53]

Plan

Free

Country

 Italy

Device

Huawei P10 Lite

Operating System

Android 7

My Question or Issue

Hi all.

I'm using Spotify to listen my music on my car's infotainment system
The app only works when imposed not to close on the lock screen.
I would like to know if, while the app is running in the background, I continue to consume data in the connection.