Nothing works to make MIDI the default USB config setting on my Galaxy 5

[LimeyDi]

I need USB configuration to default to MIDI so that the phone will connect automatically when I plug the USB cable into my car. Galaxy 5, Android 7.0 O/S. I have followed all suggestions - enabled developer options, select MIDI as USB config, connect to PC, disconnect from PC, etc. NOTHING WORKS. (Not to mention problem with repeated connect/disconnect to the PC). To use my Android Galaxy Note 5 when connected to my Honda Civic 2016 I must always first change the USB config setting on the phone manually to MIDI. It always defaults to MTP. If I'm navigating using the phone on an extended trip, i haveto reset every time I dtop the car. I virtually never need to connect my phone to the PC. I transfer photos using PhotoTransfer via the same network. Can anyone please tell me how to get the phone TO STAY ON MIDI SETTING BY DEFAULT????? and BTW what the heck is "lollipop"? My About Phone says it is running Android 7.0.