Thanks guys. I never really considered that it could be a remote start or aftermarket alarm. I asked my wife, and she said no one ever mentioned it to her when she bought the vehicle. It didn't come with anything other than the factory key fobs. I will pull the panel again when I get a chance and see if I can find any writing on the box. It is way up in there and hard to get to.
If it is remote start, I wonder if I can get a replacement fob for it and program it? Not that I really need it since it's garage kept. When I get the chance I will see if I can get any writing off of it and report back.