If the windows become covered with an oily, greasy, or waxy film, clean them with glass cleaner. Follow the directions on the container.
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Do not scrape or scratch the inside of the window glass. It could damage the thermal filaments and the antenna lines.
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When washing the inside of the window glass, use a soft cloth dampened in lukewarm water, gently wiping the thermal filaments and the antenna lines.
Use of glass cleaning products could damage the thermal filaments and the antenna lines.
