See also:

When CD is in the player (type A)/ When playing back all CDs in the player (type B)
When the “CD/AUX” button is pressed, the player will start playback. ...

Bluetooth® audio (type C audio)
This function enables you to play back audio sources recorded in Bluetooth® audio devices. You need to register the Bluetooth® audio device in the system before using it. ...

Audio control buttons (if equipped)
Type A audio Type B audio These buttons are located on the spokes of the steering wheel. They allow the driver to control audio functions without taking his/her hands off the steering wheel. ...