- GM Dock-N-Lock Interface
- Provides accessory power (12-volt 10-amp)
- Retains OnStar/OE Bluetooth
- Retains chimes
The GMOS-05 interface is designed to allow the user to replace the OEM radio with an after market unit in non-amplified GM vehicles equipped with the "dock-n -lock" style harness and retain full functionality of the Onstar system as well as all safety and warning chimes. The GMOS-05 retained accessory power convenience features. This interface has the capability of adjusting chime and Onstar volumes. In addition to these features the GMOS-05 no has the required outputs for the installation of a navigation radio.