●🚘【COMPATIBLE WITH】2014-2018 Chevy Silverado 1500; 2015-2019 Chevy Silverado 2500HD/ 3500HD; 2014-2018 GMC Sierra 1500; 2015-2019 GMC Sierra 2500 HD/ 3500 HD; 2019 Chevy Silverado 1500 Legecy; 2019 GMC Sierra 1500 Limited. ●🚘【FUNCTIONS】 Adjustable Power glass + Dual Glass (Flat Glass + Convex Glass) + Turn Signal Light + Back up Lamp + Running Light + Heater Defrost + Manual Telescoping & Folding. ●🚘【TIPS】The towing mirror is only applicable to the vehicles listed above. If your vehicle does not have the options listed, the mirror may not work properly. ●🚘【NOTE】If your original towing mirrors dont have the running lights, you will need to rewire them. We recommend professional installation. NOT FIT FOR CARS WITH TEMPERATURE SENSE FUNCTION. ●🚘【AFTER-SALES SERVICE】Including the Left and Right Towing Mirrors. If you have any questions, please feel free to contact us. We will offer the most sincere and high-quality after-sales service for you.