CarlinKit A2A can't connect to wireless Android Auto, please make sure the cell phone side, wireless Android Auto function is on.
If you can't connect even if wireless Android Auto is on, then you can.
1, clear Google service cache
2, clear Android Auto cache
3, reset A2A
4, reboot your phone
1. Clear Google service cache
your phone->setting->apps->google play services->stroage->clear cache
2. Clear Android Auto cache
your phone->Setting->Connections->WiFi->Autokit***->Enter the password（12345678）
If you get a connection failure pop-up, don't worry, go ahead and click connect.
3. Reset A2A
After the Wi-Fi connection is successful, open your mobile browser and enter 192.168.50.2 in the URL bar