- Provides accessory power (12-volt 10-amp)
- Retains R.A.P. (Retained Accessory Power)
- Used in amplified systems
- Retains chimes and balance and fade
- Provides NAV outputs (parking brake, reverse, mute and speed sense)
- Pre-wired AXSWC harness (AXSWC sold separately)
- Retains OnStar®/OE Bluetooth®
- Adjustable gain control for chimes and OnStar®
- High-level speaker input
- USB updatable