Losing cell service mid-drive is a big deal because it can mess with your maps, music, and a whole lot of other things, and then you're stuck looking at the screen instead of the road. Most people don't notice how much Android Auto leans on the internet until they're staring at a frozen screen somewhere outside coverage. The good news is that you can prepare and use your apps in places where you have no reception, as long as you know where to look.
