Rear Air Control
WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.
When the REAR CTRL indicator is off the rear air control (front) will control all rear blower motor speeds and the rear temperature and mode operations. When the REAR CTRL switch is pressed (indicator on), the rear air control (rear) will control all the rear blower motor speeds and the rear temperature and mode operations.