A free program for Android, by Sygic..
It is the most accurate car navigation app. It works by connecting your car’s built-in infotainment system with your smartphone. You can navigate by the route you are driving on, the built-in navigation system will give you all the necessary information about the roads and traffic. It will also give you warnings about the dangers on the road, speed limits, and traffic cameras.
The app can also be controlled by the steering wheel, voice commands, or the touch screen.
You can see the speed and the traffic on the road you are driving on.
You can find the best routes and the best way to get from A to B.
You can see the distance to the next traffic light.