More than 35 different car horns from the 1972 JC Whitney mail-order catalog ... air horns that play "La Marseillaise" or "Somewhere My Love," cattle-caller horns, several types of "Ahh-OOO-Gah ...

An air horn is essential for semi-trucks as a way of making a clear distinction between them and other vehicle types that populate the roads. These horns can reach up to 120 decibels and be heard ...

Once they kill that horn, they can open the vehicle, and no alarms go off. You would think the auto manufacturers would find a better way to prevent this from happening," Mitchell added.

“Vehicle Code § 27001 violates the First Amendment because it prohibits numerous uses of a vehicle horn for speech or expression,” Porter’s attorneys wrote.

It's rarely enforced, but even the California Vehicle Code states that the driver of a motor vehicle "when reasonably necessary to insure safe operation shall give audible warning with his horn.

Oct. 15—Question: A friend recently told me that it's illegal to honk your car horn in Minnesota. (He showed me an internet article.) I find this hard to believe.

CLEVELAND, Ohio -- There is seemingly very little middle ground when it comes to opinions on when to honk your car’s horn. Some people avoid the action at all costs. Others beep to their hearts ...

An air horn is essential for semi-trucks as a way of making a clear distinction between them and other vehicle types that populate the roads. These horns can reach up to 120 decibels and be heard ...