Alberta Written Class 4 Drivers License Practice Test

When facing brake failure, pumping the brake pedal can help build up some hydraulic pressure in the braking system, potentially allowing for some level of braking. Downshifting to lower gears is also a critical maneuver in this situation, as it can reduce the vehicle's speed through engine braking. By downshifting, the engine can help slow the vehicle down without relying solely on the brakes, making this a comprehensive approach to regaining control. Coasting to a stop might not be effective or safe because it completely disregards attempting to slow down the vehicle actively. Turning off the ignition is risky as it can disable power steering and brakes that may still be partially functional, making the vehicle harder to control. Relying on the emergency brake alone is also not advisable because it may lead to a skidding situation if applied abruptly or without proper control of the vehicle's speed. Therefore, the combination of pumping the brake pedal and downshifting helps to both manage speed and preserve some control over the vehicle during brake failure, making it the best course of action.