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:

Behind the wheel
The JX felt surprisingly light to drive. I can usually feel the size of any three-row vehicle when accelerating, but the 265-horsepower, 3.5-liter V-6 engine took next to no effort to get the JX u ...

General maintenance
During the normal day-to-day operation of the vehicle, general maintenance should be performed regularly as prescribed in this section. If you detect any unusual sounds, vibrations or smell, be sure t ...

Conventional (fixed speed) cruise control mode
This mode allows driving at a speed between 25 to 90 MPH (40 to 144 km/h) without keeping your foot on the accelerator pedal. WARNING ► In the conventional (fixed speed) cruise contr ...