Inlet Port Memory Function (FRE): Description

WARNING: This page is about a different car, the 2011 Nissan Leaf. However, it is still accessible from the selected car via links, so may be relevant.

If the ignition switch is turned to the OFF position while the intake switch is set to OFF (fresh air intake), "Perform the memory" or "Do not perform the memory" of intake switch OFF (fresh air intake) condition can be selected.
If "Perform the memory" is set, the intake switch is OFF (fresh air intake) when turning the ignition switch to the ON position again.
If "Do not perform the memory" is set, the air inlets is controlled automatically when turning the ignition switch to the ON position again.