Infiniti QX: Rear window and outside mirror defroster/windshield deicer (if so equipped) 
switch - Instruments and controls - Infiniti QX Owner's ManualInfiniti QX: Rear window and outside mirror defroster/windshield deicer (if so equipped) switch

Rear window wiper and washer switch
WARNING In freezing temperatures the washer solution may freeze on the rear window glass and obscure your vision. Warm the rear window with the defroster before you wash the rear window. C ...

Rear window and outside mirror defroster
To defog/defrost the rear window glass and outside mirrors, start the engine and push the switch 1 on. The indicator light 2 will come on. Push the switch again to turn the defroster off. ...

See also:

Interior Mirror
Adjustment Hold the rearview mirror in the center and move it to view the area behind the vehicle. Automatic Dimming Rearview Mirror The mirror will automatically reduce the glare from the headlam ...

Problems with the sliding sunroof
Problem: the sunroof cannot be closed and you cannot see the cause. WARNING   You could be severely or even fatally injured when closing the sliding sunroof with increased closing force ...

High Intensity Discharge (HID) Lighting
WARNING The low beam high intensity discharge lighting system operates at a very high voltage. If you try to service any of the system components, you could be seriously injured. Have your deal ...