That low, steady humming sound while driving might seem harmless at first, but it could be your car’s way of saying something’s wrong—especially if it gets louder as you speed up. Tire noise is common, but when it turns into a noticeable hum, it’s usually a sign of uneven wear, alignment problems, or even a wheel bearing issue. With four LexBrodies locations across Hawaii, we see this issue often—especially on island roads where conditions can change quickly between city streets and winding coastal highways. Here’s what might be behind that hum, and what you can do about it. Uneven Tire Wear The most common cause of tire humming is uneven wear on the tread. When tires wear unevenly—either due to poor alignment, underinflation, or suspension issues—they develop irregular surfaces that make more noise as they roll. You might hear the hum only at certain speeds or only from a specific side of the car. If your tires feel ... read more