That’s specific to your car’s head unit. When I get into my vehicle, the iPhone in my pocket connects to its head unit via Bluetooth with zero actions from me.

That’s specific to your car’s head unit. When I get into my vehicle, the iPhone in my pocket connects to its head unit via Bluetooth with zero actions from me. Seriously, I get into the car and the CarPlay display comes on showing my phone’s apps. I don’t have to plug it in, tap a button, or do anything else at all.