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:

Push starting
Do not attempt to start the engine by pushing. CAUTION ► Automatic transmission models cannot be push-started or tow-started. Attempting to do so may cause transmission damage. &# ...

Rolling re-start
A rolling restart can be initiated by selecting N (neutral) and pressing the engine START/STOP button. ...

Express-Down/Up Windows
Windows with the express feature allow the windows to be raised and lowered all the way without holding the switch. Press or pull the switch fully and release it to activate the express feature. Th ...