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:

Checking the coolant level
NOTICE Running the engine without coolant will cause serious engine damage. The coolant level in the expansion tank should be checked at least weekly (more frequently in high mileage or arduo ...

Rear Vision Camera (RVC)
If available, the Rear Vision Camera (RVC) system displays part of the scene behind the vehicle. The RVC system does not display pedestrians, bicyclists, animals, or any other object located outsid ...

Closing the hood
WARNING   When closing the hood, use extreme caution not to catch hands or fingers. Be careful that you do not close the hood on anyone. Make sure the hood is securely engaged before dr ...