Max Defrost

WARNING: This page is about a different car, the 2018 Lincoln Navigator. However, it is still accessible from the selected car via links, so may be relevant.

When MAX DEFROST mode is selected:

the recirculated air request button is disabled. The air inlet door opens, allowing only outside air into the passenger compartment.
the air distribution doors operate simultaneously to direct airflow to the defroster duct and side window demisters. A small amount of airflow from the floor duct is present.
the A/C is turned on in defrost mode. The A/C compressor operates as long as the outside temperature is above approximately 0°C (32.0°F).
the temperature is set to the highest setting and is not adjustable.
the fan is set to the highest speed and is not adjustable.
MAX DEFROST can be exited by pressing the AUTO button.
the heated rear window automatically turns on.