Specifically for Single or Double Din radiosContoured and painted 'GRAY' to match factory dashboardProvides accessory power (12-volt 10-amp)Maintains the Retained Accessory Power (R.A.P.) featureProvides NAV outputs (parking brake, reverse, speedsense)Retains warning chimesRetains OnStar/OE BluetoothAdjustable volume for chimes and OnStarRetains the factory AUX-IN jackPre-wired ASWC-1 harness (ASWC-1 sold separately)Retains balance and fadeMicro“B” USB updatable