I have been looking around for guides on how to replace my factory 2009 Honda Civic hybrid with Nav unit with one of the Pioneer Nex units. I have some idea how to take my car apart from other Honda civic install videos. But most of them are replacing a single din factory unit with a new plastic module for a double din. I just wanted to know what I can use from my factory double din unit. It has a mic, xm radio antenna, steering wheel controls, aux USB, and navigation car antenna. I also am wondering how the Pioneer unit would fit. I already have a double din factory Nav(will the unit be smaller and leave gaps in the dash) . I am fairly technical and know that I will at least have to get a wiring harness to hook up the factory speakers and amp. Any help would be appreciated. Thanks.
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