To keep your thermostat locked at a single steady temperature, you need to override or turn off any active programmable schedules, smart learning modes, or auto-changeover settings. Access your thermostat's main menu, select the Hold option (such as "Permanent Hold" or "Hold Until"), and set your target temperature manually. Verification: Check the home screen to ensure the permanent hold icon is active and the target temperature no longer fluctuates according to a schedule.
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