Hmmm, okay, I'll try that.My wife complained about loud ringer in her 2020 EX-L. I used the volume knob and adjusted it while the phone was ringing.
In my case, I don't use my phone for music so turning down the ringtone level is a good solution.Car volume levels do not reset - just like clock or radio presets - as long as battery is not disconnected. That 'Use Volume keys for Media' setting is a rather bad one to turn off. It locks your volume buttons to adjust ringtone only, and people tend to adjust the media volume a lot more often than ringtone level - as long as they ever use their phone to listen/watch stuff. Turning down the volume on the car audio while phone is ringing should work a whole lot better.