In fact, one of the coolest police cars in America, in Alabama, had only a single blue light on its roof. This is when whether the lights are flashing or solid comes into play. What Should You Do ...

blue light travels directly to the back of our eye, causing distortion and eye fatigue. Alignment can also be important in how distracting a car's headlights are to other drivers. Regardless of ...

Question: I have noticed more recently blue lights in the front grill and just inside the top of the front windows of private ...