2010 CTS Premium, white diamond tri-coat. Replacing the stock grill with a fine mesh from E&G classics. I wil be removing the front liscence plate holder but will have the 4 pop rivet holes. I was thinking of just mixing some touch up paint with silicone caulk and filling in the holes to make it look better in the event I get busted and have to put the front plate back on. any ideas?