Porsche has patented a new brake-by-wire system designed to keep the brake pedal feeling consistent no matter how hot the hardware gets. The patent describes a way to smooth out the subtle changes in brake response that appear when a car alternates between hard driving and calmer cruising.

According to Porsche, as temperatures rise, parts of the braking system—such as calipers and metal lines—expand more than the brake fluid. The result is that a driver must push the pedal a little harder to achieve the same deceleration. It’s not classic brake fade, but small deviations that matter for precise control.

The solution pairs a temperature sensor with an actuator on the master cylinder. Once a set heat threshold is reached, the system automatically preloads the hydraulic circuit with a touch of pressure without moving the pedal. That preemptive nudge keeps the next press feeling familiar and the response stable.

The system engages only when needed and aims to deliver maximum precision—especially relevant for the brand’s 2026 sports cars and its future electric models. Porsche also notes the technology could improve the way regenerative and friction braking blend in EVs, helping the pedal feel more unified in everyday use. It’s a neat, low-drama fix to a real-world annoyance that attentive drivers notice, and it promises a more predictable car when it counts.