Max Defrost
WARNING: This page is about a different car, the 2018 Ford F-550 Super Duty, 2018 Ford F-450 Super Duty, 2018 Ford F-350 Super Duty, and 2018 Ford F-250 Super Duty. 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 32.0 °F (°C).
- 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.