Radio Replacement Interface with Built-In OnStar® Retention, Bose® Amplifier Retention, Pre-Programmed Steering Wheel Control Retention and Navigation Outputs
 
RadioPRO Advanced has been engineered to save you time and seamlessly integrate into a vehicle’s databus system to retain features such as steering wheel controls, factory amplifiers, and warning chimes. 
Now retains Bose® amplifier (standard & premium, MOST 50) with fader and balance control!
The GM6A-RST has been engineered to work with the broadest range of GM vehicles, including those with Bose® or standard/non-amplified sound systems, and eliminates the need for additional adapters or modules. 
 
Equipped with factory USB port retention cable for easy connection of cell phones, Apple CarPlay and Android Auto use, or external USB thumb drives. GM6A-RST also retains OEM aux input for external media players.

*Please check fit guide at Pac-Audio.com to verify if this module works with your vehicle. Thank you!