Yes, I have the same issue. What is happening is the holes in the "Thor" Dash panel do not have enough clearance for the button to allow it to function correctly. If you depress the button you can feel the resistance caused by the plastic dash panel. I can get them to turn off by pushing down on the trim piece just below the buttons to relieve the pressure. I plan on removing the heater control unit and reaming out the dash holes a little to give them the clearance they need, just haven't got to it yet.
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