This mode is used to defog the windows and dehumidify the air.

1. Turn the air flow control dial to the position.

2. Turn the fan control dial to the desired position.

3. Push the button. The indicator light comes on.

When the or   position is selected, the air conditioner automatically turns on (however, the indicator light will not illuminate). In this position, the A/C cannot be turned off. When the air flow control is turned to any position other than or   the A/C light will illuminate (the A/C will continue operating) and can be turned off using the A/C button. This dehumidifies the air which helps defog the windshield.

The mode automatically turns off, allowing outside air to be drawn into the passenger compartment to further improve the defogging performance.

4. Turn the temperature control dial to the desired position.