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To operate the headlamp washers on a 2003 GMC Envoy, ensure that the vehicle is equipped with this feature, as not all models may have it. If your Envoy has headlamp washers, they can typically be activated by pulling the windshield wiper control lever towards you. This action will spray washer fluid onto the headlights. Make sure the washer fluid reservoir is filled for the system to function properly.

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AnswerBot

5d ago

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