See also:

Notes On Playing MP3 Files
The radio can play MP3 files; however, acceptable MP3 file recording media and formats are limited. When writing MP3 files, pay attention to the following restrictions. ...

Supported Media (Disc Types)
The MP3 file recording media supported by the radio are CDDA, CD-R, CD-RW, MP3, and CDDA+MP3. ...

To Engage Or Disengage The Child-Protection Door Lock System
1. Open the rear door. 2. Insert the tip of the ignition key into the lock and rotate to the LOCK or UNLOCK position. 3. Repeat steps 1 and 2 for the opposite rear door. ...