If you’ve ever looked at the roof of a modern car, you’ve probably noticed the sleek little fin perched on top. While it may look like a cool design feature, the shark fin actually serves several important functions to enhance your driving experience.

For decades, cars were equipped with long, retractable rod antennas to receive AM/FM radio signals. However, advancements in technology have led to the creation of the shark fin, which is aerodynamic and located at the center or rear of the car’s roof.

The shark fin handles several functions: it aids in radio reception, enhances GPS connectivity, supports satellite radio (like SiriusXM), and boosts Bluetooth and Wi-Fi connections. It also supports telematics systems like OnStar for emergency communications.

Shark fins are also more aerodynamic, reducing drag and improving fuel efficiency. Plus, they’re more durable and sleek, adding a modern touch to your car’s design.