Download songs from the computer website and save them to a USB flash drive. The USB flash drive can be connected to the car's large screen to play the downloaded video songs.

The steps are as follows:

1. First, you need to download songs from music-related download websites. Generally, large music websites include: NetEase Cloud, QQ Sound, etc. You can download the songs according to your own needs. You need to download the music to the USB flash drive in mp3 format first.

2. The recommended website for song MVs is Yinyuetai. This website has rich song MV resources and is a good platform for music lovers to watch song MVs. Download the MV videos to a USB flash drive in mp4 format. .

3. After downloading everything to the U disk, insert the U disk into the USB port at the bottom of the car display.

4. After a moment, the system will display the songs and video MVs that can be played. Select the content you want to start playing.

5. The car audio system of some models also supports equalizer adjustment, which can adjust the tone changes according to personal preferences.