Specifically for vehicles equipped with a 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 powerProvides NAV output for V.S.S., Park Brake, Reverse, and Amp Remote when installing an aftermarket navigation radioRetains R.A.P. (Retained Accessory Power) featureAllows for the installation of aftermarket radio using existing factory wiring and connectorsNo cutting of factory wiring necessary