Rear window and outside mirror defroster/windshield deicer (if so equipped) switch

Rear window and outside mirror defroster/windshield deicer (if so equipped) 
switch  - Instruments and controls - Infiniti QX Owners Manual - Infiniti QX

See also:

Audible reminders
Brake pad wear warning The disc brake pads have audible wear warnings. When a disc brake pad requires replacement, it makes a high pitched scraping sound when the vehicle is in motion, whether or ...

Rear window wiper and washer switch
WARNING In freezing temperatures the washer solution may freeze on the window and obscure your vision. Warm the rear window with the defroster before you wash the rear window. CAUTION ● D ...

Cockpit
1. Vehicle Dynamic Control (VDC) OFF switch2. Trunk lid release switch3. Sonar system off switch (if so equipped)4. Instrument brightness control switch5. TRIP/RESET switch for twin trip odometer6. ...