[EdwinB]

In the event that you have a full Android car radio (this is not usual in vehicles with the standard options) you can use youtube song downloader an application to simulate the DHU (Desktop Head Unit). The following is only useful if you can install Android apps on your car kit.

Go to the Android Auto app on mobile, scroll down to the bottom area and repeatedly tap on the version number until the developer options are activated.
Click on the three menu items and click on 'Start main unit server'.
Go to the WiFi settings on your mobile and share the Internet with the vehicle: it must connect to the mobile access point.
Go to the console and download the Headunit Reloaded app. First check that the app works before buying it.
Open the Headunit Reloaded app in your car and accept the connection permission that should pop up on your phone.
If everything goes correctly, the Android Auto screen should be projected on the vehicle's dashboard.