Yesterday, now that we're late in our Looong Hot Summer, I noticed that the vinyl on the hub of my steering wheel is faintly sticky. The leather wrapping the wheel is clean and not gummy, as I use a cleaner on that; but I suppose I've been lax at hitting the wheel's hub with Meguiar's Natural Shine. Anyway, what can I use to clean it? The Natural Shine doesn't seem to make any difference. Would the leather cleaner work? Or is there another product that you've used?