Inlet Port Memory Function (REC): Description

WARNING: This page is about a different car, the 2011 Nissan Murano. 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 ON (recirculation), "Perform the memory" or "Do not perform the memory" of intake switch ON (recirculation) condition can be selected.
If "Perform the memory" was set, the intake switch will be ON (recirculation) when turning the ignition switch to the ON position again.
If "Do not perform the memory" was set, the air inlets will be controlled automatically when turning the ignition switch to the ON position again.