Infiniti QX: Rear window and outside mirror defroster/windshield deicer (if so equipped) 
switch - Instruments and controls - Infiniti QX Owner's ManualInfiniti QX: Rear window and outside mirror defroster/windshield deicer (if so equipped) switch

Rear window wiper and washer switch
WARNING In freezing temperatures the washer solution may freeze on the rear window glass and obscure your vision. Warm the rear window with the defroster before you wash the rear window. C ...

Rear window and outside mirror defroster
To defog/defrost the rear window glass and outside mirrors, start the engine and push the switch 1 on. The indicator light 2 will come on. Push the switch again to turn the defroster off. ...

See also:

Changing/disconnecting a device
1. From the menu, select Change device. 2. Select Disconnect. A confirmation pop-up will appear and then you will be given the option to Search new or select a different device from the list of pai ...

Selecting off-road height
Off-road height can be selected by pressing up on the raise/lower switch (1) at any speed up to 24 mph (40 km/h). If selected, and the speed exceeds 30 mph (50 km/h), a warning will appear in the ...

Service and literature
Your vehicle is covered under the terms of the warranties printed in the Service and Warranty Information booklet. Your authorized Mercedes-Benz Center will exchange or repair any defective parts ...