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:

Linking intelligent key
The Climate control system settings can be memorized for each Intelligent Key. For more details, see “Setting memory function” in the “3. Pre-driving checks and adjustments” section. ...

Connecting booster cables
WARNING Always wear appropriate eye protection when working with batteries. Make sure both batteries are of the 12 volt type and that the booster cables have insulated clamps and are approved ...

Remote keyless entry system
WARNING The Intelligent Key transmits radio waves when the buttons are pushed. The FAA advises that radio waves may affect aircraft navigation and communication systems. Do not operate the ...