1. Find the music unlock button or switch on the electric vehicle, which is usually located on the vehicle's control panel or steering wheel, and turn on the electric vehicle's power.

2. Turn on the music system, press the music unlock button or switch, or follow the vehicle's instructions to start the music system.

3. Connect music devices. If you want to connect your mobile phone, MP3 player or other music devices via Bluetooth or USB, please follow the vehicle's instructions.

4. Select the music source. Once your music device is successfully connected, you can select the music source you want to play in the music system, such as Bluetooth, USB, radio, etc.

5. Adjust the volume and playback controls. Use the volume knob or buttons on the music system to adjust the volume.