Axxess AXGMLN-09 LAN-29 Data Interface for select 2014-Up GM Vehicles
Provides accessory power (12-volt 10-amp)
Retains R.A.P. (Retained Accessory Power)
Used in non-amplified systems or when replacing amplified systems
Provides NAV outputs (parking brake, reverse, mute and speed sense)
Pre-wired AXSWC harness (AXSWC sold separately)
Retains OnStar®/OE Bluetooth®, chimes and balance and fade
Adjustable gain control for chimes and OnStar® and high-level speaker input
Can be used with extension AX-GMLAN09EXT
Micro-B USB updatable 
