2012 Acura RDX Owner's Manual - Page 260

Playing Discs (Models with navigation system) To remove a different disc from the changer, first select it by pressing the corresponding number on the preset button or turning the interface knob, and pressing ENTER on the interface selector. When that disc begins playing, press the eject button. Press and hold the eject button until you hear a beep to remove all the discs from the changer. You can also eject discs when the ignition switch is off by pressing the eject button. The disc that was last selected is ejected first. You can eject the rest of the discs one at a time. Protecting Discs For information on how to handle and protect compact discs, see page 257. Disc Changer Error Messages For information, see page 255. Adjusting the Sound For information, see page 224. 254