Toledo Radio/CD head unit question

[Robeen6L]

Hi!
My Toledo has the stock Radio/CD Head unit (I don't know the model), but I don't know if it has the connector for the CD changer. If it has, how do I turn off this function, so I can play music through the changer, like through AUX.

Any clues about it?

I'm about to install a bluetooth modul, what goes through CD changer/AUX port.