Thoughts (shower or otherwise)

I just talked about that with my wife 2 days ago

We're drive an electric car and had an old lady walking the street in front of us, which didn't hear the noise the e-car makes
Using the real horn would be really not ok - and in some places you aren't even allowed to, because of the local housing and stuff

I settled for opening the window and asking politely, but loud (as she obviously couldn't hear as good anymore), to maybe step a bit out of the center of the street

A polite horn would have been really perfect