1. Insert the 4G network card in the car wifi, and then plug the device into the car charger.
2 Open the APP in the mobile phone that is compatible with the car WIFI, and click the Settings in the upper right corner.
3 Tap My WIFI.
4 Set the WIFI name and password.
5 So you can use your car WIFI.
Turn on the usual functions at 6:00.
7 You can set up your WIFI use blacklist to prevent being hacked.