This is an adapter harness that retrofits pre-2019 Toyota vehicles to install(Transplant) an Entune 3.0 headunit or Navigation unit (from a newer Toyota vehicle). This will be a plug and play.
Toyota 4Runner 2014-2019
Toyota Prius 2016-2019
Toyota Sienna 2015-2018
Toyota Corolla 2014-2019
Toyota Tacoma 2014-2019
Does not have Nav GPS and JBL
The eco app and the Toyota apps might be not working