System Airflow Description - Manual Climate Control: Off

WARNING: This page is about a different car, the 2003 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.

When OFF is selected:

The air inlet door vacuum control motor is at full vacuum, closing off outside air from entering the passenger compartment.
The panel door and floor/defrost door vacuum control motors are at no vacuum.
The A/C request button is disabled.
The blower motor is off.
The auxiliary blower motor is disabled, if equipped.