Specifically for vehicles equipped WITHOUT factory Fiber Optic amplified sound systemRetains vehicle's factory Steering Wheel Controls (if equipped) when installed with a SWC compatible aftermarket radio (Alpine, Clarion, JVC, Kenwood, LG, Panasonic, Pioneer, Philips, Sony, Jensen, android and off-brand aftermarket radios.Provides 12-volt accessory powerRetains factory R.A.P (Retained Accessory Power) featureProvides NAV outputs such as V.S.S. (Vehicle Speed Sense), Reverse, Parking Brake, & Amp RemoteAllows for the installation of aftermarket radio using existing factory wiring and connectorsNo cutting of factory wiring necessary