Metra 70-8114 Steering Wheel Control Wire Harness with RCA for 2003-Up Select Toyota/Scion/Lexus Vehicles Steering Wheel Control Wire Harness For 2003-Up select Toyota/Scion/Lexus vehicles RCAs included to allow you to retain their factory installed 3.5mm jack Aftermarket radio must have Aux in ASWC-1 is required for use