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:

Volume & Ringtone
The following kinds of phone volume can be set. Pushing the PHONE button and selecting the “Volume & Ringtone” key can also operate the same settings. • Ringtone/Incoming Call/Outgoing Call To in ...

Warning systems switch (if so equipped)
The warning systems switch is used to turn on and off the warning systems (Forward Collision Warning (FCW), Lane Departure Warning (LDW) and Blind Spot Warning (BSW) systems) that are activa ...

Infiniti customer care program
INFINITI CARES ... Both INFINITI and your INFINITI retailer are dedicated to serving all your automotive needs. Your satisfaction with your vehicle and your INFINITI retailer are our primary concer ...