Dynamic Braking system (denoted DBS hereafter) is a "plug and play" brake light system that uses inertia/momentum as an indicator. DBS displays the actual slowing down of the vehicle on a vertical LED gradient next to the main bulb of the standardized fleet vehicle brake light. This new brake light allows followers to gauge how quickly the semi truck in front them is slowing down, from down-shifting to using the "jake brake", to hitting a big puddle; the faster the vehicle slows down the more LED’s will illuminate. If the follower knows how quickly the person in front of them is slowing, it gives them a better chance to make a safe, thoughtful decision that isn't a reaction to an emergency or a reaction to person hitting the brake very lightly - it shows exactly how hard the person is braking.
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