Nissan Altima Owners Manual: Rear window and outside mirror (if so equipped) defroster switch

Type A

Type A

To defrost the rear window glass and outside mirrors (if so equipped), start the engine and push the rear window defroster switch on. The rear window defroster indicator light on the switch comes on. Push the switch again to turn the defroster off.

The rear window defroster automatically turns off after approximately 15 minutes.


When cleaning the inner side of the rear window, be careful not to scratch or damage the rear window defroster.

Type B

Type B


The top and bottom few rows of wires on the rear window are not part of the rear window defroster system. These wires make up the antenna for the audio system.

    Windshield wiper and washer switch
    WARNING In freezing temperatures the washer solution may freeze on the window and obscure your vision which may lead to an accident. Warm the window with the defroster before you wash the window. ...

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    Service data and specifications (SDS)
    Idle Speed *: Under the following conditions • A/C switch: OFF • Electric load: OFF (Lights, heater fan & rear window defogger) • Steering wheel: Kept in straight-ahead position Ignition Timing *: Under the following conditions • A/C switch: OFF • Electric l ...