At what point does variable assist power steering provide minimum pressure?

Variable assist power steering systems are designed to provide varying levels of assistance based on the driving conditions. At high speeds, less assistance is required because the vehicle has more stability and the driver has a better sense of control. Therefore, the power steering system reduces pressure to provide just enough assist for steering, promoting a more responsive and engaging driving experience.

When a vehicle is moving at high speeds, the steering feels firmer, allowing for more precise handling. This firm feel is necessary for maintaining control and stability, which is why the system minimizes power assist during these conditions. The balance between ease of steering at low speeds and control at high speeds is crucial for driver safety and comfort.

In contrast, at low speeds or when parking, maximum assist is provided to ease the effort needed for turning the steering wheel. During turns, the assist level can vary based on the steering angle and speed to help navigate corners smoothly without too much effort. As such, the design of variable assist power steering systems strategically adjusts assist levels based on driving conditions, ensuring optimal performance and safety in varying scenarios.