How can i connect my aux iphone 7 cable into my LG stereo ? I'm having so much trouble.

[Ashleyfdoe]

So I just got my cable in when I ordered it in yesterday. I'm trying to connect it in my home stereo but I can't find any entrance for it what so ever ? What can I do ? Do I need a second cable or ...

 

[getochkn]

waht LG model model number?