I'm not sure how it attaches. I would hope that anytime there is a disconnect that it alerts, but I am not sure. I would rather the manufacturers build it into their OEM.I like the idea. I don’t like how few details they give about how it works. is it just a sensor that sticks on the buckle and belt? How do they stay on if so? Kids are rough. It would have to be some crazy adhesive!
In the early 80s my parents moved from Texas to Maine in a 1981 Chevy cargo van. My "car seat" was secured to the floor with a belt and my two older brothers (6/4) sat on three legged stools