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:

    How to use INFINITI controller
    Choose an item on the display by rotating or pushing the center dial 1 upward/ downward, and push the ENTER button 2 for operation. If you push the BACK button3 before the setup is complet ...

    Cockpit
    1. Instrument brightness control switch 2. TRIP/RESET switch for twin trip odometer 3. Headlight, fog light and turn signal switch — Headlight — Turn signal — Fog light 4. Steeri ...

    Fuel
    Use of the recommended fuel is an important part of the proper maintenance of this vehicle. To help keep the engine clean and maintain optimum vehicle performance, we recommend the use of gasoline a ...