What function does a driver lose during a skid?

During a skid, the driver loses the ability to steer effectively. This loss occurs because the vehicle's tires can no longer maintain traction with the road surface. When a vehicle skids, whether due to excessive speed, slippery roads, or abrupt maneuvers, the control that was once there for steering is compromised. The wheels may slide instead of turning, which means the driver cannot direct the vehicle where they intend, making it vital for drivers to regain control through techniques such as steering into the skid or reducing speed when possible.

Other functions like braking or acceleration can still be managed; however, steering is specifically hindered during a skid when traction is lost. Vision, while crucial for awareness, is not directly affected by the dynamics of skidding in terms of vehicle control. Understanding this concept is key for safe driving, as it highlights the importance of maintaining control and how to respond effectively when a vehicle begins to skid.