Jeep Cherokee
Owners Manual
Understanding the features of your vehicle » Windshield wipers and washers
Windshield Wiper De-Icer - If Equipped

Your vehicle may be equipped with a Windshield Wiper De-Icer feature that may be activated under the following conditions:

Activation By Front Defrost - The Windshield Wiper De-Icer shall be activated automatically in the case of a cold weather manual start with full front defrost, and when the ambient temperature is below 33 F (0.6 C).
Activation By Rear Defrost - The Windshield Wiper De-Icer shall be activated automatically when the rear defrost is turned on and when the ambient temperature is below 33 F (0.6 C).
Activation By Remote Start Operation - When remote start is active and the outside ambient temperature is less than 33 F (0.6 C), the Windshield Wiper De-Icer shall be enabled. On exiting remote start resume previous operation except, if the Windshield Wiper De-Icer timer and operation shall continue.

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Windshield Wiper Operation