2012 Lexus RX 450h Navigation Manual - Page 202

AUDIO/VIDEO SYSTEM - DVD changer operation (g) If the changer malfunctions If "CD error" appears on the screen, audio signals of the disc cannot be read or the system has trouble. Push the "CD" button once again. If the changer does not operate, check that the disc surface is not soiled or damaged. If the disc is O.K., the temperature of the changer's internal mechanism may be raised because of high external temperature. Remove the disc from the changer to cool it. If the changer still does not operate, have it checked by your dealer. If an MP3/WMA disc contains CD−DA files, only CD−DA files are played. If an MP3/WMA disc contains files other than CD−DA, only MP3/WMA files are played. For safety reasons, you can enjoy DVD video discs, DVD audio discs and video CDs only when the vehicle is completely stopped with the "POWER" switch is in ACCESSORY or ON mode and the parking brake applied. While you are driving, you can hear audio alone even in the DVD video, DVD audio or video CD mode. 230