The Axxess ASWC-TOY-LEX is a vehicle-specific steering wheel control interface designed for select Toyota and Lexus vehicles. This interface allows you to retain factory steering wheel audio controls when installing an aftermarket radio, helping preserve OEM convenience and functionality without complicated programming. Engineered with auto-detect technology, the ASWC-TOY-LEX automatically recognizes the vehicle type and compatible aftermarket radio brand, significantly simplifying installation. It works with most major radio manufacturers including Kenwood, Pioneer, Alpine, Sony, JVC, Jensen, Clarion, and more. The interface is also USB updatable for future compatibility updates. Key Features: Retains factory steering wheel audio controls Designed for select 1999-2009 Toyota & Lexus vehicles Auto-detects vehicle and radio type Compatible with most major aftermarket radio brands No additional interfaces required USB updatable Retains settings even if battery is disconnected Plug-and-play style installation Compatible Vehicles Include: Toyota Avalon (2003-2004) Toyota Prius (2001-2003) Toyota Sienna (1999-2003) Lexus GS300 (1998-2005) Lexus GS430 (2001-2005) Lexus LX470 (2001-2002) Lexus SC430 (2002-2009)