Theunit came with an app called Z-Link preinstalled and that's what starts Android Auto. Did you figure out how to get Android auto maps to switch to dark mode at night? Probably need to add in a ground loop isolator if its a buzzing/whining sound. Because you needed the money to buy it.
AndroidAuto allows you to take control of your car's display, placing all the information you need in front of you. Android Auto can be used to interact with a wide range of apps, whether you need navigation assistance, to make or receive phone calls or to listen to music, podcasts, or audiobooks. Google Assistant is also supported, meaning
Learnhow to connect Android Auto to your Mazda 3 & Mazda CX-30 that features Mazda Connect, so you can access important functions.On the Infotainment System
.