Peter it is a pain the new system on the top menu, you will find a icon for a drop down menu which consist of a ball the color of the current part. When you drop it down you will see the pallette of colors. at the bottom of this drop down menu is the color appreance manager tab when you finish seleceting the color the menu will close and the ball icon will now display the selection, clcik on it, a paint brush appears, you can either select sections of the part or part name in the model tree and then click ok to accept The old way was much easier