What Do Green Lights on Cars Mean? Here’s Why Drivers Should Pay Attention

unexpected green glow on or inside a vehicle isn’t a universal signal, and that’s exactly why it can be so unsettling. In one region, it may identify a volunteer firefighter or an emergency responder on their way to a call. In another, it might mark a command vehicle, a security unit, or even a community patrol. Elsewhere, it could simply be a permitted continue reading …