I have been cleaning up my wife’s Xcountry and felt that the pitted wheels let it down, the white pits. So to try and cover them up I have used black fire grate polish. I put it on and left it overnight to harden up and then polish it off the next day, the wheels now have no visible signs of pit marks. I don’t know how long the polish will last but I can always redo it. The polish is like black chrome polish but seems to have more body to it.