A:Answer Hi there, Stella. Thanks for the question! In most cases, the installation is $149 and can be learned more about by visiting: https://www.bestbuy.com/site/remote-start-installation-with-t-harness/1455002.p?skuId=1455002. In can vary slightly depending on which option you go with. If you would like to know more specifics about it, I'd recommend working with your local Best Buy Autotech team. You can find information about your local store at www.bestbuy.com/storelocator.