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:

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    Problems with the transmission
    ...

    Power Door Locks
    (Unlock): Press to unlock the doors. (Lock): Press to lock the doors. ...