What is the appropriate action if your vehicle starts to hydroplane?

Answer: B — Release the accelerator

When your vehicle begins to hydroplane, it is essential to release the accelerator. Hydroplaning occurs when a layer of water builds up between the tires and the road, causing a loss of traction; this can make it difficult to control the vehicle. By easing off the accelerator, you allow your tires to make better contact with the road surface as the speed decreases, helping to restore traction. Taking other actions, such as braking firmly or making abrupt steering movements, can worsen the situation as they might lead to loss of control. Pressing the accelerator in an attempt to regain traction is also counterproductive, as it increases the likelihood that the vehicle will continue to hydroplane. Thus, the correct response to hydroplaning is to calmly and gradually release the accelerator.