What should you do when your vehicle hydroplanes?

Answer: A — Release the accelerator

When your vehicle hydroplanes, the appropriate action is to release the accelerator. Hydroplaning occurs when a layer of water on the road causes the tires to lose contact with the surface, resulting in a loss of steering and braking control. By easing off the accelerator, you allow the vehicle's speed to decrease, which can help the tires regain traction on the road surface. This is crucial in regaining control of the vehicle. Steering into a skid might be advisable in certain situations but is not the primary action in hydroplaning. Pressing the brakes hard can cause further loss of control during hydroplaning, as it can lead to skidding. Turning off the engine is irrelevant and does not address the issue of regaining control over the vehicle while hydroplaning. Therefore, the best course of action is to release the accelerator to help regain traction and control.