Power Window Lock
WARNING: This page is about a different car, the 2003 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.
The power window lock is designed to lock operation of all windows except for driver side door window.
When the lock position, ground of the front passenger side and rear power window switches in the power window main switch is disconnected. This prevents the power window motors from operating.