when i press the source button on my sony car stereo CDX GT27OS, only CD and tuner

[garimamatanhelia]

option come on, no aux? when i press the source button on my sony car stereo CDX GT27OS, only CD and tuner option come on, no aux. please tell me how can i turn on aux mode, there is ofcourse an aux in on the front, but no aux mode option!

 

[BeRe1]

Well im not familiar with sony cd decks, but maybe you have the owners manual laying around somewhere or if you can figure out the model you could probly find a manual online.