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It will be automatic at some point. To be fair, I rarely have to control/adjust the opening. Summer was the only time where I had to be actively involved. Even then, it was fully open at all times after the engine reaches its operating temperature.
I didn't even have to open the grille shutters as of late. My morning commute is about 20 miles of highway driving and the coolant was stable at 96-98 degC with the shutters closed.
I will be adding the necessary wiring to probe the cooling fans relays.
Still researching the best way to tap the coolant sensor for the final integration of the system.
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