The current issue of Wisconsin Snowmobile News page 22 "RAD LIGHTS", has a story of the New Signal lights that replace our hand signals when meeting on coming traffic. Yellow means caution, green means all clear. I suppose the argument (and there always is one) is that you'll still need a free hand to toggle the light switch. Probably no different than using your high & low beams. The light is mounted on the left side of your hood, they're low profile and don't detract from the appearance. I personally haven't seen any in use but if it makes things safer, it'd be something I'd consider. Here's a link that offers more....