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:

Seating & Cargo
Four of the M's five seats offer ample legroom and headroom, but the bulky floor hump in back means a fifth passenger has to share foot room. The front seats have standard 10-way power adjustments ...

Audio main operation
Push the ignition switch to the ACC or ON position. Then, push the DISC·AUX or DISC button repeatedly to switch to the iPod® mode. If the system has been turned off while the iPod® was playing, pushi ...

RearView Monitor (if so equipped)
When the shift selector is shifted into the R (Reverse) position, the monitor display shows a rearward view from the vehicle. The system is designed as an aid to the driver in situations such as sl ...