Controls and Compressor Operation: Auto

WARNING: This page is about a different car, the 2015 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

When AUTO is selected:

the HVAC system operates in a manner to achieve and maintain the temperature set by the operator.
the air inlet door is automatically controlled by the HVAC control module based on the temperature setting.
the mode door is automatically controlled by the HVAC control module based on the temperature setting.
the temperature blend door is automatically controlled by the HVAC control module based on the temperature setting.
the A/C compressor is automatically controlled by the HVAC control module, based on the temperature setting. The A/C compressor does not operate if the outside temperature is below approximately 2 °C (35.6 °F).
the blower motor speed is automatically controlled by the HVAC control module based on the temperature setting, but can be manually overridden.