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:

Shifting
Shifting To change gears, or when upshifting or downshifting, fully depress the clutch pedal, shift into the appropriate gear, then slowly and smoothly release the clutch pedal. This vehicle is eq ...

Foreword
Your INFINITI represents a new way of thinking about vehicle design. It integrates advanced engineering and superior craftsmanship with a simple, refined aesthetic sensitivity associated with traditio ...

Engine block heater (for Canada only)
Engine block heaters are used to assist in cold temperature starting. The engine block heater should be used when the outside temperature is 20°F (−78°C) or lower. To use the engine block heat ...