What is this Thing?

[DiGiornoRisingCrust]

It's right behind the sunglasses holder in the overhead console, where the homelink system would be if my car had one. Anyone know what it's for?

 

[rhamnik]

It's right behind the sunglasses holder in the overhead console, where the homelink system would be if my car had one. Anyone know what it's for?

View attachment 162980

Usually where you Velcro your garage door opener, and there are supposed to be several black cylinders that stack to build a contact point for the button.