Setting AUX Input on Pioneer DEH-P5850MP Car Head Unit

How to setup the Aux/Auxilliary input for a Pioneer DEH-P5850MP

You can get a connector lead called a IP-Bus Interface Cable Cord Adapter for Pioneer DEH-P5850MP on Ebay or other site

How to setup the Aux/Auxilliary input for a Pioneer Pioneer DEH-P5850MP 

This lead will allow you to connect into the CD changer socket at the rear of the Pioneer DEH-P5850MP and use a 3.5" jack cable to connect an MP3, iPhone, iPod or any other source with headphone socket to it.

However when you turn the unit back on after connecting the cable you may find that AUX isn't shown as an option in the menus. You need to press the function button when the unit is off to enable this as shown in the video to setup the auxilliary connection on the Pioneer DEH-P5850MP head unit.

 IP-Bus Interface Cable Cord Adapter for Pioneer