The chief objective of emergency warning lighting is to be able to have a view what is around you, and to make you seen to others. By putting lights at the corner of the car, it maximizes the visibility and lets others see where the edges of your car. By providing the headlights as far apart as possible it gives better illumination. There have been cars with continuous lights across the back. And some with 3rd headlights which focus in the direction you are turning as well as including fog lights etc, to increase light output. But the basic light at all corners is the simplest and most effective way…
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