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:

DS (Drive Sport) mode
Move the selector lever from D (Drive) to the left into the manual shift gate. The transmission position indicator in the meter shows “DS”. In the DS (Drive Sport) mode, the transmission changes to t ...

12v outlets
The power outlets are for powering electrical accessories such as cellular telephones. They are rated at 12 volt, 120W (10A) maximum. The power outlets are powered only when the ignition switch i ...

Fuel gauge
Fuel gauge The gauge indicates the approximate fuel level in the tank. The gauge may move slightly during braking, turning, acceleration, or going up or down hills. The gauge needle returns to E ...