Is there a way to change the default audio source in the infotainment system? Currently the default is set to Sirius XM. I never listen to Sirius and want to change the default to either FM or a USB source. Is this possible?

Hello my name is Peter. Since one week I am the proud owner of a 2.2 JTD. I enjoy every minute off driving it. Now I am trying to change the audio settings but I seem to be unable to do so for bass and treble. All other settings; no problems changing them. I have the premium system (but not the...