I don't know about the center caps, but the logos are held on by double stick tape so heat is required to loosen up the adhesive. Sun is cheapest and you have plenty there in Fla. I've used a guitar pick to get underneath the logo and then gently prise it up. Wax the area afterwards to clean up any remaining adhesive. Debadging DIYs are around the nets, here's one:
For smoke out stuff, this place has a great selection of headlight and tail light items: Kia Lighting Protection Kits
I was able to find anything on tail lights tho as there are 17 pages! So call them and see, I doubt it's a problem.