I pulled up to stop light and a LEO pulled up besides me with C/O on. Of course my V1 was lit like a christmas tree. She pulled up a little more to see it, then she rolled down the window, and no joke, she said "looks like it works doesn't it?" I was like ahhh think fast! So I replied in a calm voice "Haha only when you are like 2 feet away from me like this, otherwise it's completely useless. It works good as a compass and it even tells me when emergency vehicles are approaching!" Then she says "That's what I try to tell everyone!" Me, while silently praying for the light to turn green, "Yea me too, pretty much a waste of money". Then the light turned green and said our goodbyes and went our separate ways. Overall she was really nice about the whole thing. I had to make sure she knew they didn't work because she was one of the few LEO's that run C/O in my city.