The new Powerstep Smart Series is the latest innovation to bring more control for the electric-powered running board right to your fingertips. Enjoy the in-app flexibility to override your steps to stay up or down, as well as power on/off the integrated or an auxiliary LED light system. PowerStep SmartSeries Running Board fits 14-18 Chevrolet Silverado/GMC Sierra 1500 Double/Crew Cab NOTE: PowerStep Smart Series Running Board will not be available until January 1st, 2021 2016 Chevrolet Silverado 1500 Custom Crew Cab Pickup, 2018 Chevrolet Silverado 1500 Custom Crew Cab Pickup, 2016-2018 Chevrolet Silverado 1500 Custom Double Cab Pickup, 2014-2018 Chevrolet Silverado 1500 High Country Crew Cab Pickup, 2015-2018 Chevrolet Silverado 1500 LS Crew Cab Pickup, 2015-2018 Chevrolet Silverado 1500 LS Double Cab Pickup, 2014-2018 Chevrolet Silverado 1500 LT Crew Cab Pickup, 2014-2018 Chevrolet Silverado 1500 LT Double Cab Pickup, 2014-2018 Chevrolet Silverado 1500 LTZ Crew Cab Pickup, 2014-2018 Chevrolet Silverado 1500 LTZ Double Cab Pickup, 2015-2018 Chevrolet Silverado 1500 SSV Crew Cab Pickup, 2014-2018 Chevrolet Silverado 1500 WT Crew Cab Pickup, 2014-2018 Chevrolet Silverado 1500 WT Double Cab Pickup