I used a past car wax to all the knobs and front panel. IT still looks great several years later. Lynn WR7G ____________________________________________________________ Meet the Graviteers: Sylvana Yelda Hi, I'm Sylvana and I love making guacamole! Read more → http://thirdpartyoffers.juno.com/TGL3131/56172f0b4af132f0a0160st04duc