On-demand from customers AWD programs drive the secondary axle through an active or passive coupling system or "by an independently powered push system". The standard notes that in some instances, the secondary drive procedure may additionally give the main car or truck propulsion. An illustration is usually a hybrid AWD https://4462738.mdkblog.com/39042146/5-easy-facts-about-αξεσουαρ-4χ4-described