How to display the video when playing songs in the car?

The link steps for using the mobile phone interconnection mapping function are as follows:

1, turn on the mobile phone interconnection function of the big screen of the car.

2. Turn on the mobile phone interconnection mapping function.

3. Match the phone with the car screen.

4. Select the video to play on the mobile phone.

The video will be displayed on the big screen of the car, and the sound will be played through the car stereo.