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If the vehicle speed does not drop to the desired level, drivers must depress the brake pedal again or increase their braking effort. The Active Engine Brake system assists drivers in reducing the vehicle speed to the desired speed. The system smoothly adds small amounts of engine braking to assist the brakes. The system decreases the frequency and effort required to brake the vehicle, which makes driving easier and more comfortable.
The second style of brake controller is inertia activated. These brake controls function the same as the timing activated with the exception of a pendulum sensor. With this style of brake controller the pendulum senses the inertia of the vehicle deceleration and proportionally stops the vehicle at the same rate.