"The car horn is the sound of democracy in action," her lawyers wrote in their appeal. Though they appear to be rarely enforced, similar laws are on the books in 41 states, according to court records.

Tesla's new Boombox mode came in late December as part of a holiday firmware update. The feature lets drivers change the sound their car makes when driving, swap out the horn, or broadcast music ...

Tesla has always been known for having a little extra fun with its cars, and now its Boombox mode is here to ensure the world hears what you want it to.