So I used to work at a Kia dealer and people always wanted to upgrade to factory fogs all the time. What we did was remove the plastic cover where the fogs go, install the fog lamps, ( on most cars, the wiring is there even if you don't have that option. ) hook up the lamps then go inside the car and replace the headlamp switch, which on Kia's and it is the same in my 3, the fog on/off switch is on that switch. All you need is the lamps and a new headlight switch with the fog switch. Yeah it might be spendy, you might want to look into aftermarket fogs assy's and maybe look around at a u pull it for a used switch. Also find out if all the wiring is there too.Yeah, I figured it would be expensive... I know there is a grille there, and I'm wondering if it is all one piece, or if it is in three different sections.. because if it is one piece, then the middle area below my license plate will be empty..