"it's geofenced to certain roads, and only work under 40mph", " you should not use this in the rain" https://www.youtube.com/watch?v=sMNnOosjrBo&ab_channel=Engad...
I wonder if 40mph is a magic number that is a good tradeoff between speed and survivability (and injury-related out-of-court settlements)
Although driving at 60 kph on German highways seems quite risky; at that speed, most trucks will overtake you.