Infiniti QX: Rear window and outside mirror defroster - 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

To defog/defrost the rear window glass

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. It will automatically turn off in approximately 15 minutes.

CAUTION
When cleaning the inner side of the rear window, be careful not to scratch or damage the rear window defroster.

    Windshield deicer (if so equipped)
    The windshield deicer switch (rear window and outside mirror defroster switch) operates when the ignition switch is in the ON position. The deicer is used to remove ice from the windshield w ...

    See also:

    Climate Controls
    The heating, cooling, and ventilation in the vehicle can be controlled with this system. Climate Control with Cooled and Heated Seats shown A. Driver and Passenger Temperature Controls B. AUTO ( ...

    Trademarks and License Agreements
      Manufactured under license under U.S. Patent #'s: 5,451,942; 5,956,674; 5,974,380; 5,978,762; 6,487,535 & other U.S. and worldwide patents issued & pending. DTS and DTS Digit ...

    Configure Menu
    Press CONFIG to adjust several of the system's features and preferences. The last selected CONFIG screen is the screen that displays: Sound, Radio, Nav (navigation), Display, or Time. ...