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Title: Limited Capability
Review: Installed this to interface the steering wheel controls on my 2006 Ford F-250 with my new Kenwood DNX9140 Nav Receiver. Of the 4 steering wheel controls only the volume up and scan up work as they did witht hte original Ford radio. Volume down mutes the volume instead of stepping it down and mode will only select the FM bands on the Kenwood receiver and none of the other mode options such as AM, DVD/CD, XM etc. The manufacturer's technical support was very fasr but only verified that the interface device had not been tested with the Kenwood DNX9140. It would be nice if the manufacturer would specify which specific units from the various manufacturers the interface had been tested with!
