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Dodge Durango
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Electrically Heated Systems » General information
Rear window defogger system

The rear window defogger system will only operate when the ignition switch is in the On position. When the defogger switch is in the On position, an electric heater grid on the rear window glass is energized.

The electric heater grid produces heat to help clear the rear window glass of ice, snow, or fog.

The defogger system is controlled by a momentary switch in the rear window switch pod installed in the instrument panel lower bezel, which also includes the switch for the rear wiper and washer system. An amber indicator lamp in the switch pod will light to indicate when the defogger system is turned on. The rear window switch pod also contains the defogger system control circuitry including the timer logic and the defogger relay.

The defogger system will be automatically turned off after a programmed time interval of about ten minutes. After the initial time interval has expired, if the defogger switch is turned on again during the same ignition cycle, the defogger system will automatically turn off after about five minutes.

The defogger system will automatically shut off if the ignition switch is turned to the Off position, or it can be turned off manually by depressing the defogger switch a second time. Following are general descriptions of the major components in the defogger system. Refer to the owner's manual in the vehicle glove box for more information on the features, use and operation of the defogger system.

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    Dodge Durango Service Manual / Electrically Heated Systems / General information / Rear window defogger system

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