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:

Before starting the engine
► Make sure the area around the vehicle is clear. ► Check fluid levels such as engine oil, coolant, brake fluid and window washer fluid as frequently as possible, or at least whe ...

Heated and Ventilated Seats
The buttons are on the climate control panel. : Press to cool the entire seat. : Press to heat the seatback only. : Press to heat the seat and seatback. Press the desired button once for the ...

Interior Lighting
Dome Lamps The dome lamps are located in the overhead console and above the rear seat passengers. The dome lamps come on when a door is opened, unless the dome lamp override button is pressed in. ...