Remote Start for LEXUS 2010-2015 RX 350 "Push-To-Start" Models ONLY Includes Factory T-Harness for Quick, Clean Installation This is NOT sold as a DIY Project. It is NOT Plug-n-Play. *Professional installation strongly urged. For "PUSH-TO-START" 2010-2015 LEXUS RX 350 ONLY. Uses factory remote - no other parts needed INCLUDES Factory T-Harness for quick, clean installation*. INCLUDES software "FLASH" for your vehicle to ensure most up-to-date functionality and INCLUDES comprehensive instructions and schematics Start vehicle by pressing factory remote "lock" button 3 times. Quick, simple, clean installation FOR A PRO: it is possible that technical help will be necessary to complete your installation that is only available to authorized dealers.