On-need AWD techniques drive the secondary axle by way of an Energetic or passive coupling gadget or "by an independently run travel procedure". The normal notes that occasionally, the secondary drive technique may present the primary auto propulsion. An instance is actually a hybrid AWD auto wherever the first axle https://lorenzoapaks.rimmablog.com/28075940/5-easy-facts-about-αξεσουαρ-4χ4-described