Rear window and outside mirror defroster/windshield deicer (if so equipped) switch

Rear window and outside mirror defroster/windshield deicer (if so equipped) 
switch  - Instruments and controls - Infiniti QX Owners Manual - Infiniti QX

See also:

Seat synchronization function
The seat synchronization function automatically adjusts the positions of the steering wheel and outside mirrors when the seat is adjusted using the power seat switches. However, the steering wheel an ...

Initialize entry/exit function
If the battery cable is disconnected, or if the fuse opens, the entry/exit function will not work though this function was set on before. In such a case, after connecting the battery or replacing with ...

Warning systems switch (if so equipped)
The warning systems switch is used to turn on and off the warning systems (Forward Collision Warning (FCW), Lane Departure Warning (LDW) and Blind SpotWarning (BSW) systems) that are activated using ...