Pac Audio OnStar Radio Replacement Interface for Select General Motors Vehicles without Bose Sound System (os1)
Made by Pac Audio
- Retains OnStar function when replacing factory radio
- Plug In 21-pin harness installation
- Retains warning chimes
- Maintains class ii databus healthy status
- Compatible with select GM vehicles
The OS1 is an interface that retains OnStar functioning when a factory radio is replaced. The OS1 features easy plug-in installation for vehicles with a 21-pin harness. The interface retains Class II databus healthy status, as well as all the warning chimes. This model is compatible with select GM vehicles.