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:

Brake fluid
Check the brake fluid level in the reservoir. If the fluid level is below the MIN B line or the brake warning light comes on, add Genuine NISSAN Super Heavy Duty Brake Fluid or equivalent DOT 3 flui ...

Increasing fuel economy
Х Accelerate slowly and smoothly. Maintain cruising speeds with a constant accelerator position. Х Drive at moderate speeds on the highway. Х Avoid unnecessary stopping and braking. Keep a safe dis ...

Personal lights (Sedan)
Rear Push the button as illustrated to turn the light on or off. ...