Just posted a how-to setup a Power Acoustik CP-71WA / CP-71W single DIN unit with external mic and full steering wheel controls via a PAC SWI-RC-1. This is a cheaper option to using the Modifry DCI and wiring harness, but with FULL functionality including the MUTE button.

https://www.s2ki.com/forums/s2000-el.../#post25128404