What should a driver do if their brakes fail while driving?

When facing brake failure while driving, the recommended response is to pump the brakes to build pressure, shift to a lower gear, and use the emergency brake carefully.

Pumping the brakes can sometimes restore enough pressure in the brake lines to bring the vehicle to a stop. This method allows the driver to attempt to regain braking ability. Shifting to a lower gear helps to slow down the vehicle by utilizing engine braking, which can reduce speed without relying on the brakes alone. The emergency brake, when applied gently, can help bring the vehicle to a stop, and it's crucial to use it carefully to avoid locking the rear wheels, which could lead to a loss of control.

The other options are not practical solutions for a driver experiencing brake failure. Turning off the engine might prevent steering control and is generally not advised because losing the power steering can make it extremely difficult to control the vehicle. Calling for emergency services is important in some situations but should not be the immediate reaction when a driver still has the ability to control the vehicle by using the suggested techniques. Finally, applying the brakes forcefully is counterproductive, as it may lead to a complete brake failure, loss of vehicle control, and an increased risk of an accident.