What should you do if your brakes fail while driving?

Answer: B — Use the emergency brake and look for a safe place to steer

When facing brake failure while driving, utilizing the emergency brake and looking for a safe place to steer is the most appropriate course of action. The emergency brake provides a last resort mechanism to slow down or stop the vehicle, reducing the risk of a crash or further loss of control. While engaging the emergency brake, the driver should also be on the lookout for a safe area to move the vehicle, which can help prevent accidents, especially in a busy or populated area. Using the emergency brake allows the driver to maintain some control over the vehicle's speed, and steering towards an open space can prevent harm to the driver, passengers, and others on the road. It’s crucial to remain calm and act swiftly, as this can improve the chances of bringing the vehicle to a safe stop. The other options could lead to greater danger. Speeding up is counterproductive and increases the risk of an accident. Pulling the vehicle to the side of the road might not be possible if brakes are lost entirely and could create hazardous situations, whereas turning off the engine could prevent power steering and make it harder to control the vehicle.