ZDNET's key takeawaysYou can still use Android Auto, even when there's no mobile data. But instead of doing the usual and letting Android Auto and all its Gemini wisdom guide us, we agreed to become minimalists for a day. Not to the extremes of using a physical map to navigate the two-and-a-half-hour road trip, but with our phones tucked away, notifications turned off, and using Android Auto offline only. Tackling zero-coverage zonesThe biggest advantage of running Android Auto offline is still being able to navigate with predownloaded maps, especially in areas with little to no signal. By the end of the weekend, the consensus was clear: Android Auto offline is a viable path if you're worried about your phone's data, cellular connectivity, and overall endurance.