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VW Is Putting Buttons Back in Cars Because People Complained Enough
(www.thedrive.com)
This is a most excellent place for technology news and articles.
That's why they have spill detection. Try pouring water over the touch controls. It should beep, then turn off. It's not a good solution or better than a knob, but better than nothing. Except your spill doesn't flow over the controls. Then good luck.