The setting of Audi a3 music cd needs to be completed in the multimedia interface, and the audio system of the CD can be adjusted. The specific operation steps are as follows:

First, open the door on the cab side of Audi a4l. ?

Second, step on the brake pedal of Audi a4l. ?

Third, press the one-button start button of Audi a4l to start the engine. ?

Fourth, the dashboard lights up, which proves that the engine of Audi a4l has started.

5. Click the multimedia sound option to play CD music;

6. After that, you can click Settings to set the sound effects that need to be set;

Seven, the final entry can choose settings.