It would be nice if there was a way to communicate with other drivers in a less one-dimensional way by having a "friendly" horn sound option. A really good example is this video:
Using in car microphones and speakers to do active noise cancellation
Add a healthy hot-rod revving noise to let people know you are there. Or even better, add it to the toolbox to let other cars know they won't win.
I would suggest that the bass be reduced significantly (and perhaps, the volume) of the sound... more »