Factory OEM Remote Activated Plug and Play Remote Start for Select 2007-2014 Chevrolet, GMC, Cadillac Full Size Truck and Suv Activates by pressing LOCK 3X on your existing factory keyless entry remote. This is a genuine Lessco product prewired and designed specifically for the vehicle listed. All the prep work is done, Leaving you you more time to enjoy your new remote starter! Free proprietary copyrighted text style wire code sheet available upon request, Just ask us and you got it! Latest firmware guaranteed, FREE Phone technical support available as well with purchase. Upgradable to extended range COMPATIBLE VEHICLES - Avalanche [2007-2013], Express [2008-2017], Express 2500/3500 [2008-2016], Silverado [2007-2013] (Does not work with 2007 Silverado Classic), Silverado Premium [2007-2013], Silverado 2500/3500 & Premium [2007-2014], Chevrolet Silverado Hybrid Premium [2007-2013], Suburban [2007-2014], Tahoe [2007-2014], **GMC** Savana [2008-2017], Sierra & Premium [2007-2013], Sierra 2500/3500 [2007-2014], Sierra 2500/3500 [2007-2014], Sierra HD [2007-2013], Yukon -07-13, Escalade 07-14 REMOTE START FEATURES - This is an Add-on remote start system for vehicles with existing keyless entry. It uses your existing factory remotes to start the car by pressing the "lock" button three (3) times. This means you will not have to carry extra key fobs! Warm or cool your car from the comfort of your home. When you are ready to drive, just put your key in the ignition and go! Does not include remotes - uses your factory fob. This is a complete remote starter kit for Chevrolet and GM Key to start. The kit includes a T-harness to simplify connections. Only one wiring connection is required. Compatible with automatic transmission vehicles only. All parts required for installation are included. Does not work with Push to start ignition. Upgradable with Extended range remotes or smartphone, contact us for details.