When attempting to load the Play Store version of Netflix on your Automotive Android device you may see the message ‘This App is not compatible with your device.’  Luckily Netflix provides and alternative installation option by providing a compatible APK based version on their support site at:  https://help.netflix.com/en/node/57688

Download and copy the file to a USB key or SD card then connect it to your Android head unit and open the file in your unit’s file manager to install.