Battery Cooling Control: Description
WARNING: This page is about a different car, the 2016 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.
Cooling of the Li-ion battery is performed by delivering cooled air from the passenger compartment into the trunk room.
The air from the passenger compartment cools the Li-ion battery, maintaining a suitable battery temperature and improving the lifetime of the Li-ion battery.