I don't recall anyone mentioning this, and it was news to me.
1. Sit in the driver seat.
2. Turn on some music.
3. Set the volume to high (9+).
4. Open on the driver door.
Observe: Volume (actual and UI) drops to about the 2 level.
5. Close the driver door.
Observe: Volume returns to high level (9+).
Me likee.
1. Sit in the driver seat.
2. Turn on some music.
3. Set the volume to high (9+).
4. Open on the driver door.
Observe: Volume (actual and UI) drops to about the 2 level.
5. Close the driver door.
Observe: Volume returns to high level (9+).
Me likee.