1. Open the live broadcast software and find functions such as "special effects" or "virtual props" in the live broadcast room.

2. Find related special effects such as "sports car" or "super run" in the special effects, select and add them to the live broadcast room.

3. Adjust the size, position, transparency and other parameters of special effects to make them suitable for the current live screen.

4. Set the moving route and speed of the sports car according to the need, so that it can run fast or slow on the screen.

5. After confirming the settings, save and turn on the special effects, and you can see the sports car special effects when watching the live broadcast.