What should I do if Smart Optimization is running at an inconvenient time?
If Smart Optimization is running, you can delay it for an additional 18 hours by touching and holding the XL824 control screen for five seconds. To disable Smart Optimization altogether, navigate to Home > Menu > Smart Optimization and select Disabled, then select Apply.
From the official Trane XL824 Smart Wi-Fi Thermostat manual, page 30
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