However, if the "click" of an opening door is part of an ominous action such as a burglary, the sound mixer may call attention to the "click" with an increase in volume.

I had to remind him to lower his voice - after all, he was supposed to be an undercover insurgent.

Unlike, say, an electric milk float, EVs are astonishingly silent, with just the wheel rumble and an occasional electric whine to alert you to their approach.