Dave loves to drive when he travels, but the most recent car he has doesn't have a CarPlay option. How can he use an iPad as a CarPlay alternative for maps? Leo says a Wi-Fi iPad doesn't have GPS and as such, the maps are going to be inaccurate. Wi-Fi does triangulation of Wi-Fi signals that it can read, whereas GPS uses location based on a triangulation of GPS signals and cellular towers, which is far more accurate. He'd be better off using an iPad that has LTE.