CTS/SRX OnStar Interface
The GMOS-10 interface is designed to allow the user to replace the OEM radio with an aftermarket unit in 2003-2006 Cadillac CTS and SRX and retain full functionality of the OnStar system as well as all safety and warning chimes. The GMOS-10 will also retain the retained accessory power convenience features. This interface has the capability of adjusting chime and OnStar volumes as well. In addition to these features, the GMOS-10 now has the required outputs for the installation of a navigation radio.
• USB update interface compatible
• Retains OnStar w/adjustable volume output
• Retains chime w/adjustable volume output
• Retains RAP feature
• Navigation outputs now included