When I picked up my truck it had an Inspection and an Emission sticker. However a couple of weeks ago the dealership sent me another sticker and said put it on the windshield. It's bright orange with only a number 2 on it. I called the dealership and no one will return my call on why I have to put it on and why it wasn't there in the first place. Anyone know what it's for? Maybe to show vehicle class or something? Thanks for your help.