My Dodge Magnum SRT8 is a great vehicle. At times I get over 20 MPG (really). Other times I can exercise the vehicles ability to accelerate. Most of the manual I have gone through multiple times (just like my license plate instructs). But there are always questions that exist.
In this case, the question is “what goes in this spot”. I have found in previous pictures that the dash mounted lack of a button is where an A/C control use to exist, but I don’t know why the second part of the dummy button exists. Any help would be appreciated:

What use to be below the light control switch:










