Pioneer KEH-P4020 Cassette Player "aux wont show car" Questions

aux setting wont come up only my cd, tuner, and standby comeup. my aux will not come up when its on standby hold the menu button and then use the right nob to change aux on then press menu again and ...

Aux wont show on DEH-P7800MP I have my aux cord plugged into my CD player and all i have is still only my CD Source and my Tuner source. How do I get my AUX to show up so I can plug my IPOD in and ...

...Aux-in wont work Please some one tell me how to work my aux in i tryed about 5 aux cables with my ipod and none of them show up on my head unit did you turned aux function? turn off your player by ...

...aux.to work or show on display ,only c.d, tuner,standby.so my mp3 player wont operate.any clues??? go to standby and hold the menu button. use fm and am to navigate until you see aux1 off. turn it on ...

...some reason it wont let me plug in my mp3.. help? Have you gone into the menu settings and turned on the AUX input? If you hit the "source" button and AUX does not show up. It needs to be turned