Having a GPS unit in your car is wildly useful no shouting at Siri, no pulling over to search for an address. Just say where you want to boom and go, youre on your way. However, your Garmin device wants to have a current list of all mapped roads and highways in order to be actual. Weve all been in a scenario where your GPS starts taking you down a dark road that turns and twists until you find yourself at a dead end.
