Chime sounds too loud

[mkstang_com]

I own S650 for 2 months. In recent time (sometimes, not always) I noticed too loud chime sounds for speed limit which is very annoying. Everything works as before, just the sounds are too too loud - and I think is the same for seatbelts etc. In settings I didn't find any option how to adjust volume on chime sounds. Any solution or idea what can be?

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