PAC (OS-1) ONSTAR® RADIO REPLACEMENT INTERFACE FOR SELECT GENERAL MOTORS VEHICLES WITHOUT BOSE SOUND SYSTEM
Retains the function of OnStar® when the factory radio is replaced. Generates all safety warning chimes. Compatible with non-Bose audio systems.
- Retains OnStar® when the factory radio is replaced
- Plug-in installation for vehicles with a 21-pin harness
- Not compatible with vehicles equipped with an RDS radio