There's no digital thermostat in the ML239. All manual. A/C is controlled from the ceiling controls. Heat/furnace is controlled from the mechanical two-wire thermostat on the bunk wall (unless OP changed out that thermostat to a digital heat only like I did).
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2023 Cougar HT 23MLE
2020 F250 XLT CC 6.2 4WD
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