Provides accessory power (12-volt 10-amp)
Retains R.A.P. (Retained Accessory Power)
Retains OnStar®/OEM Bluetooth® and chimes
Adjustable volume for OnStar®
Provides NAV outputs (parking brake, reverse, mute, and speed sense)
Retains audio controls on the steering wheel
Retains factory satellite radio
Can be used in non-amplified or analog/digital amplified models
Adjustable gain control for chimes and overall volume (digital amplified models only)
High level speaker input
Retains balance and fade, including digital fader
Micro-B USB updatable
