Dual Switch (With Left And Right Ventilation Temperature Separately Control System)

WARNING: This page is about a different car, the 2005 Infiniti FX45 and 2005 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.

When the DUAL switch indicator is not illuminated and the DUAL switch is pressed, the driver-side setting temperature and passenger-side setting temperature can each be set independently.
When the DUAL switch indicator is illuminated and the DUAL switch is pressed, the driver-side setting temperature are applied to both sides.