Explaining a car on Instagram: "Follow (us) @ExplainingACar to learn something NEW about vehicles every day 🚗💫 Car horns have evolved from simple mechanical devices to sophisticated electronic systems designed for safety and communication. In the late 1800s, early cars used bulb horns — rubber bulbs that drivers squeezed to push air through a reed, producing the iconic “honk.” By the 1910s, electric horns replaced them, offering a louder and more consistent tone using a vibrating diaphragm pow