Seletc GM 2005-2006, OnStar Class II Radio Interface Module
- OnStar Class II Interface
- Adjustable gain control for chimes and OnStar®
- Retains OnStar®/OE Bluetooth®
- Used in amplified systems
- Retains chimes and balance and fade
- Provides NAV outputs (parking brake, reverse, mute and speed sense)
- High-level speaker input
- Provides accessory power (12-volt 10-amp)
- Retains R.A.P. (Retained Accessory Power)
- USB updatable
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