i think i already posted this in the wrong place, my 75 tourer i have just purchased has a sony 10 dvd/cd installed the roof the changer is in the boot with the sat/nav it has obviously been factory fitted needles to say it did not come with remote or earphones i am trying to trace a remote my question is can i get it to play through the cars speaker system if so what would be involved any advice much appreciated thanks in advance