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what does it do? I haven’t seen car turning on climate on its own when it knows I turn it on by app every weekday at certain time. Is it doing something that I don’t notice?
Smart Preconditioning: If on, Model X learns your driving schedule and automatically prepares your vehicle to drive. This minimizes the pause that you may experience as Model X powers up. Note: Smart Preconditioning operates only when the energy remaining in the Battery is above 20%.
(My schedule changes all the time, so personally I don't use it.)