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Foged up interior windows

selmahotrod

By selmahotrod
in Troubleshooting & Recalls

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selmahotrod Enthusiast

selmahotrod

Posted
Posted

I just bought a 2017 GMC Denali 1500 and the inside of windows stay fogged up unless I turn on the defrost. Any ideas?

Pacfanweb Enthusiast

Pacfanweb

Posted
Posted

Check under the floor mats for dampness. You may have a water leak.

Dnt Senior Enthusiast

Dnt

Posted
Posted

Are you setting the hvac controls to auto or are you setting everything manually? 2016-gmc-sierra-1500-denali-hvac-control

diyer2 Senior Enthusiast

diyer2

Posted
Posted

As mentioned, check for damp carpet. Dealer may have cleaned carpet for some reason and never dried. Park outside on a sunny warm day with windows down, preferably in the sun.

TheGeek Enthusiast

TheGeek

Posted
Posted

I thought my windows were fogging up, but it was a film on the glass. It took 4 cleanings to get it clean.

BigBadSierra Senior Enthusiast

BigBadSierra

Posted
Posted

I only clean my dashes in vehicles with warm water on a damp cloth. Anything you use on the dash ends up on the glass after the sun beats down on it.

 

I get way less build up.

Sierra 5.3 Enthusiast

Sierra 5.3

Posted
Posted

I only clean my dashes in vehicles with warm water on a damp cloth. Anything you use on the dash ends up on the glass after the sun beats down on it.

 

I get way less build up.

Good information. Never knew this.

Willyone Enthusiast

Willyone

Posted
Posted

Glass in mine seems to always have a very light fog in cold weather. No known leaks or water/moisture source. Anyone know if there's a window cleaner that has some kind of anti-fog formula?

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