16 Pin Auto Stereo Wiring Harness Plug for Sony MEX-BT2500 / MEX-BT2600

so here I have this Sony head unit model number m IX - BT 2500 it is a Bluetooth unit here I just have a CD hooked up put in works well I'm going to quickly show you how to set up bluetooth because it's kind of complicated very easy once you figure it out though so first thing you do is press off don't hold off press off up here turn it off it's not totally off like it's not black but it's the music is off this EQ button it also has Bluetooth a bit above it what you want to do is get that Bluetooth light to blink so that that way you saw there was a demo I haven't heard I have not turned demo mode off can i confuse me for a second so hold Bluetooth or EQ it'll turn on that means it's on but wait keep on holding it it'll start blinking about after 10 seconds of holding it that means it's trying to pair so here I got a blue who turned on my phone first comes up is hands-free but then expl