@MASSIMO66, I took the liberty to translate your question into English:
if I use Myroute-app with Android auto (both on the bike and in the car) if I don't unlock the smartphone the navigation doesn't show up. This does not happen with Google Maps. How can I do so that I don't have to unlock the smartphone every time?
I think you need to add permissions to the app to run in the background. This is something that is done in the OS (Android / iOS?) settings, not in the MRA app settings. Also check the location permissions to be set on Always, and not "when in use", because we have seen in the past that sometimes background use is not qualified as "in use".