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:

Starting the engine
1. Apply the parking brake. 2. Move the shift selector to P (Park) or N (Neutral). P (Park) is recommended. The starter is designed not to operate if the shift selector is in any of the driving po ...

Selecting the vehicle-to-vehicle distance control mode
To choose the vehicle-to-vehicle distance control mode 1 , quickly push and release the MAIN switch A . Once a control mode is activated, it cannot be changed to the other cruise control mode. To c ...

INFINITI Intelligent Key Operation
You can lock or unlock the doors without taking the Intelligent Key out of your pocket or bag. When you carry the Intelligent Key with you, you can lock or unlock all doors by pushing the door ha ...