Axxess AX-TOY28SWC Steering Wheel Controller Add-On Harness with RCA and 28-Pin Connector for Toyota Vehicles For select 2012-Up Toyota vehicles Included RCAs allow the user to retain their factory installed 3.5mm Jack Designed and manufactured with precision tolerances Retain your factory installed steering wheel controls without having to splice into factory wiring Aftermarket radio must have AUX-in