Provides accessory power (12-volt 10-amp)
	
Retains R.A.P. (retained accessory power)
	
Provides NAV outputs (parking brake / reverse / speed sense)
	
Retains chimes
	
Retains audio controls on the steering wheel
	
Retains OnStar / OE Bluetooth
	
Adjustable OnStar level
	
Retains the factory AUX-IN jack
	
Retains RSE (rear seat entertainment) The RSE must be activated by the factory radio.
	
Retains SAT (satellite radio)
	
Can be used in non-amplified / or analog/digital amplified models
	
Retains balance and fade (excludes digital amplified models)
	
Micro B USB updatable