Retains Factory Bluetooth (2009+ model vehicles) / Factory BOSE audio systems.Illumination output, parking brake output
Retains rear seat audio controls
Retains all warning chimes (chime module included)
Retains back-up sensors/park assist/back-up camera signal
Replacement interface for select gm vehicles with OnStar, Bose, and gm LAN data bus
Compatible with or without factory amplified audio system1
Can be used if the vehicle does not have OnStar
Compatible with or without Bose systems
Retains the 5.1 Digital audio system in select gm vehicles
Description
Retains OnStar system functionality and the Bose factory-installed amplifier (if present) when the factory radio is replaced in a 29-bit GMLAN vehicle. Generates all safety warning chimes and audible turn signal indicators.