You can, if you don’t have to keep taking your eye off it to look out for signs by the side of it!
It will simply report the number it sees, but then the display is a TFT screen, so you simply let the car know you’re in a km/h country and it changes the Speedo to a km/h one.
Yes, it will pick out the sign amongst that lot. At night. In the rain.
hi mate
wish I had the adaptive cruise control where it adjusts its speed automatically if there’s a car in front
as a side note I believe many of the Tom toms can also detect automatic speed limits