Retains factory Features in select Lexus, Scion and toyota vehicles with JBL harman-becker digital-synthesis amplifier, including JBL (pioneer-made) amplifiers. | Pre-programmed to retain factory steering wheel controls. | iPhone voice recognition (VR) Feature from SWC on select Kenwood, Pioneer, Alpine and C radios. | Variable audio gain adjustment to level match the aftermarket radio and factory amplifier. | Retains OEM 3.5mm auxiliary audio input. | LEXUS: 2004 - 2006 ES300, 2003 - 2005 IS300, 2006 LS430 RETAINS FACTORY JBL AMPLIFIER ONLY. Note: Does not retain Mark Levinson, Pioneer, Nakamichi or Harmon Kardon amplifiers. TOYOTA: 2003 - 2019 4Runner, 2005 - 2018 Avalon, 2007 - 2017 Camry, 2004 - 2008 Camry.Solara: 2009 - 2017 Corolla, 2011 - 2014 FJ Cruiser, 2008 - 2018 Highlander, 2005 - 2012 Matrix, 2004 - 2017 Prius, 2004 - 2018 RAV4, 2005 - 2018 Sequoia, 2004 - 2016 Sienna, 2005 - 2019 Tacoma, 2004 - 2019 Tundra, 2009 - 2015 Venza, 2008 - 2011 Yaris