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:

Overview
The 2013 Infiniti JX will shake up the status quo when the innovative 7-passenger luxury crossover joins the Infiniti lineup in spring 2012. As a fresh, bold alternative to the many flavors of vanilla ...

Exterior
Many people have openly expressed disgust with the QX's looks. I wouldn't call it 100 percent ugly, but 60 percent ugly sounds about right. Its proportions don't help. To my eye, its beluga-whale ...

Capacities and recommended fuel/lubricants
The following are approximate capacities. The actual refill capacities may be a little different. When refilling, follow the procedure instructed in the “8. Maintenance and do-it-yourself” section ...