Here is a step-by-step DIY guide on how to install JDM power folding side mirrors onto your 2010+ 3rd gen USDM Toyota Prius or Plug-in Prius (PiP). As an added bonus, this guide includes instruction on how to wire up a set of 3-in-1 combo welcome winker LED lights. Since I’ve wired up JDM power folding mirrors on a DC5…