Disable safe volume??

Is there any option, aside from xposed, to disable the stupid safe volume warning? Every time I plug the aux cable for my car into this phone, I have to crank the volume back up, as it resets to 35/75 volume. This is annoying as hell. Xposed has its own issues right now, so I'm hoping to fix the auto volume another way, possibly a build.prop edit? I've tried to figure it out, but don't know enough about this to make it happen.

Thanks for any input!

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