As far as infotainment is concerned, there's no excuse for not having a physical volume control. Everything else (channels, track/source selection, equalizer, e

As far as infotainment is concerned, there's no excuse for not having a physical volume control. Everything else (channels, track/source selection, equalizer, etc) is potentially fine to have on a touchscreen, but volume is always relevant, and making it difficult to change could pose a safety risk (e.g. if the audio has become distracting to the driver and they want to turn it down).