What should a driver do if they experience brake failure?

• A. Shift to a higher gear
• B. Pump the brakes, shift to a lower gear, and use the emergency brake if necessary
• C. Turn off the engine immediately
• D. Coast to a stop without using any brakes

Answer: (B)

When facing brake failure, the appropriate response is to pump the brakes, shift to a lower gear, and, if necessary, use the emergency brake. Pumping the brakes may help restore pressure in the brake system if the failure is due to a loss of hydraulic pressure, allowing the driver a last effort to slowdown or stop the vehicle. Shifting to a lower gear assists in reducing speed through engine braking, which can provide additional control over the vehicle's momentum.

If these techniques are not sufficient to stop the vehicle, using the emergency brake becomes essential. The emergency brake, typically a mechanical system, can engage the rear brakes to help stop the car. Care should be taken when engaging the emergency brake to prevent skidding or losing control, especially in a vehicle with rear-wheel drive.

This response to brake failure is crucial as it incorporates multiple strategies to safely manage the situation. The other options do not provide effective or safe methods for managing brake failure, such as turning off the engine, which may lead to loss of power steering and control, or coasting to a stop without brakes, which does not address the immediate need for control and braking.