Subscribe for more car videos: http://bitly/AutoMotoTV<br />The all-wheel drive for the future disengages the rear-axle drive whenever it is not needed, and if necessary it can predictively re-engage it. The new concept boosts efficiency without diminishing traction or driving dynamics. <br /><br />Follow us @AutoMotoTV - http://www.twitter.com/AutoMotoTV<br />Like us on Facebook: http://www.facebook.com/CarVideosOnline<br />Google+: http://bit.ly/AutoMotoTVGooglePlus<br />AutoMotoTV - http://www.youtube.com/AutoMotoTV<br /><br />AutoMotoTV Deutsch: http://bit.ly/AutoMotoTVDeutsch
