source screen

When I change from the audio screen to the map screen and back to audio, the audio source screen comes up. For example if I am on the serous XM screen and change to my abs then back to audio, the screen that says AM., FM, Sirius comes up. It is not always do this, perhaps I change some mystery...

Recently when I turn the car on the audio system goes to the source page. The sound system goes to the last one that I used, typically Sirus XM. In order to go to the serous screen I need to touch the serous button. For several years it did not operate this way, it would go directly to the...