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Q: Hot air does not come out on 1993 Nissan Altima

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
Why when i turn on the hot air to defrost the windshield the air does not come out from that vent but it keeps coming out from other vents , the heat works but does not defrost the windshield please send answer to haideecalderon@hotmail..com
(2) Answers
When you select to blow air on the windshield by selecting the specific windshield vent, it will blow cold air automatically, unless the A/C is turned off!
This is because, during cold/rainy weather conditions, the cold (dry A/C cooled) air dries the windshield more effectively than by blowing hot air.
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