Metra Axxess AXGMCL2SWC GM Data Interface w/ Steering Wheel Control 2000-2013

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)
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