The first step is to turn on both the mobile phone Bluetooth and the car Bluetooth and make them discoverable;

The second step is to click "Search Device" on the mobile phone's Bluetooth interface, that is Car Bluetooth can be found;

The third step is to select the car Bluetooth displayed on the phone and click Car Bluetooth--Bluetooth Settings--Pairing. At this time, the phone will pop up a dialog box asking to enter the pairing code. Enter the pairing code (usually 1234 or 0000 or 1111) and click "Connect". At the same time, click "Pair" on the car Bluetooth interface, that is, the pairing is successful.

When using it later, just turn on the Bluetooth of your phone and it will be connected to the vehicle by default.