-Attention Cab Drivers - the horn is not a form of advertising. Don't honk at me to advertise that you are a cab and that you want my business.
-The horn is not to be used to vent anger.
- The horn is used incorrectly by people with road rage
- The horn is loud and make you jump
- Are people honking at me or someone else? You can't tell.
- The horns add more noise to the already polluted world