What should you do if your vehicle begins to hydroplane?

Answer: B — Ease off the accelerator and steer straight until you regain traction

When your vehicle begins to hydroplane, easing off the accelerator and steering straight is crucial because hydroplaning occurs when a layer of water on the road surface prevents direct contact between your tires and the road. This can lead to a loss of traction, making it difficult to control the vehicle. By easing off the accelerator, you allow the vehicle to slow down gradually, which helps the tires make contact with the road again as you regain control. Steering straight minimizes the risk of further losing traction or spinning out, as sharp turns can exacerbate the situation and lead to skidding. In contrast, accelerating suddenly can worsen the hydroplaning condition by increasing the speed at which the tires are trying to pass over the water, making it more difficult to regain traction. Turning sharply can also lead to loss of control, and hitting the brakes immediately could cause the wheels to lock up, leading to a dangerous situation where the driver has little control over the vehicle's direction. Therefore, the safest and most effective response in a hydroplaning incident is to ease off the accelerator and maintain a straight course.