See also:

Removing a CD or DVD
Press . The disc is pushed out of the CD/DVD slot. If the disc is not removed after it is ejected, it is pulled back in after a few seconds. ...

Radio Reception
You may experience frequency interference and static during normal radio reception if items such as cellphone chargers, vehicle convenience accessories, and external electronic devices are plugged ...

Care of the CD and DVD Player
The use of CD lens cleaners for CDs is not advised, due to the risk of contaminating the lens of the CD optics with lubricants internal to the CD mechanism. ...