Apparently I have the low end LTZ (I think LTZ came in two sub trims) LTZ 1LT and LTZ 2LT (I think). I don't have a sunroof, and other refinements. Part of the 2LT trim are 19" rims that I like better than the 18" ones I have (see photo). My question is, can I swap out the 18s for the 19s?