“To know what the speed limit is, the car will have to know what road you are on. I assume this means constant tracking of your route, which means constant contact with a GPS service.”
It doesn’t mean constant tracking. It just requires loading the nav map into your car.
My nav system already provides the speed limit and alerts with a change in color.
It doesn’t mean constant tracking. It just requires loading the nav map into your car.
= = =
That would be a current nav map. At your expense.
And it would not have temporary speed changes for construction, etc.