Go to your local auto parts store and 3M makes a sticker remover. You just rub it on and keep applying several coats,, use a hair dryer and it will expedite the process. Just slowly peel the sticker off,, any glue can be removed fairly easy with the stuff,, just keep rubbing. Eventually it will come off and you won't scrape or scratch your paint.
Then use a good degreaser soap to remove any residue from the 3M stuff and wax that part.