There isn't really any such thing as 2006 and 2007 controls. In this case,
the change occured 10/16/06. Cars produced before 10/16/06 had one type
control. Cars produced after had another. I found this information by
looking in the parts catalog. Checking the steering wheel in the catalog,
I see that the steering wheel changed at the same date. It'd be my guess
that the newer style remote switch won't install in the older style
As to whether the switch would work if you could install it, I don't know.
I'm not familiar with the differences in the switches, but the schematic
seems to show them to be the same electrically.
I think the thing to remember is that you weren't guaranteed any
particular controls for your radio. Rolling changes occur frequently
during a production year, and this appears to be nothing more than one of
those changes. If your car was manufactured prior to 10/16/06, then it'd
be my assessment that it has the audio controls that were intended for
that car. Swapping for other controls would cause it to differ from