The regarding circumstance is when your windshield instantly fogs again up the second you flip your AC system off, regardless of how lengthy you’ve got been driving. In an particularly critical scenario, your windshield could even stay firmly foggy regardless of how lengthy you’ve got had the air working. If you happen to’re experiencing this, there are a few potential mechanical causes that would warrant a restore appointment.
First, there may very well be a crack or leak someplace in your automobile, both within the physique or one of many home windows. Even a small crack, if deep sufficient, can let air of an opposing temperature into your automobile. As opposing air continues to move in, the temperature within the cabin won’t ever equalize, which implies your windshield will hold fogging. Moreover this basic annoyance, having cold and hot air flowing by way of this crack might trigger your automobile’s physique to broaden or contract in a doubtlessly harmful means.
The opposite potential trigger is an issue together with your air-con compressor. Whether or not you are utilizing a devoted defogging setting or are simply circulating heat air, in case your compressor’s on the fritz, it will not have the ability to propel the air far sufficient to truly attain your windshield. Moreover the foggy inconvenience, this may very well be an indication of a looming AC system failure and must be checked out as quickly as doable.