The Jaguar XJ features an Eco Data system that not only maximises fuel economy, but also minimises the impact of driving on the vehicle’s components by providing vehicle data and driving tips. Watch to learn how to view Eco Data and use this feature.Discover the XJ here: http://www.jaguar.com/jaguar-range/xj/index.htmlConnect with Jaguar:Website: http://www.jaguar.comFacebook: http://www.facebook.com/JaguarTwitter: http://twitter.com/JaguarInstagram: http://instagram.com/jaguarLIVE