Automotive engineers are looking to replace the knobs and buttons of your in-car technology with gesture control. At CES 2015, WSJ's Christina Rogers takes a look. Subscribe to the WSJ channel here: http://bit.ly/14Q81Xy Visit the WSJ channel for more video: https://www.youtube.com/wsjdigitalnetwork More from the Wall Street Journal: Visit WSJ.com: http://online.wsj.com/home-page Follow WSJ on Facebook: http://www.facebook.com/wsjlive Follow WSJ on Google+: https://plus.google.com/+wsj/posts Follow WSJ on Twitter: https://twitter.com/WSJLive Follow WSJ on Instagram: http://instagram.com/wsj Follow WSJ on Pinterest: http://www.pinterest.com/wsj/ Follow WSJ on Tumblr: http://www.tumblr.com/tagged/wall-street-journal