You can navigate, but you can’t read text messages. Instead, Android Auto will dictate everything to you.

Why won’t my text messages show in my car?

Here is the problem: if a new app asks for permissions, it can block your texts in your car. Go to settings, then to apps and then look at all app settings. If an recently installed or updated app shows access to SMS that may be your problem.

How do I get my car to display text messages?

Go to Settings > Bluetooth > Your Car > tap the little circle with the i in it. Turn on Show Notifications. Go to Settings > Bluetooth > Your Car > tap the little circle with the i in it. Turn on Show Notifications.