to download songs in the car, the car must be able to download music software in the central control display. if you can't download music software, you can't download songs in the car. If you can download music software, open the phone hotspot, directly connect the phone hotspot, open the software and download it. Cars can play music in the following ways: 1. CD. Go to the audio shop, buy some CDs, insert them into the central control of the car and play them. If you can't buy it, you can use the burning software on your computer, burn songs on a blank burning disc through the burner on your computer, and then take them to the car to play. 2. If equipped with car Bluetooth, connect the mobile phone with car Bluetooth and play it. If you don't have a car Bluetooth, you can buy one, plug it in through a cigarette lighter, and then connect it to your mobile phone to play. 3. If the AUX interface is built in the car, it can be directly connected to the mobile phone to play. 4. If the car has a USB interface, it can be played by connecting a USB flash drive. Buy yourself a USB flash drive, first connect the computer, download the songs to the USB flash drive, then plug the USB flash drive into the USB interface of the car and play it. It should be noted that ordinary models can support MP3 format, but many other models do not, so when downloading, you must download music in MP3 format.