WHAT MUSICAL KEY NOTE ARE CAR HORNS?

Key of F? or F#?

My son works for Mercedes and says that fact comes up on his work computer.  I had a hard time finding anything on this.

But this is what I did find.

Article (short)

 

AboutLaurie Hardie

Laurie is a rare Seattle-born Native. She has raised her children, but as a working mom knows how important it is to look and feel your best. She currently volunteers with Queen It’s a New Day, a non-profit organization in Everett, giving women a hand up to feel great inside and out. As a published author and life coach, Laurie is WARM’s Afternoon Traffic host with the philosophy of…” traffic is a lot like life, sometimes you have a speed –limit drive and sometimes you hit a slow-down or detour, but with the right guidance and information, we can all get through it together”.