[ddelfino]

Folks,
It seems that there is constant airflow coming in those vents closest to the side windows. It doesnt seem to matter if I press the button to recirculate inside air or jack the heat up or whatever just seems to constantly be taking in outside air! Now that its getting really cold outside its getting hard to warm the interior of the car. Any ideas is this an issue anyone else is seeing?
Thanks,
D

 

[Chip]

Are you able to get heat from the other interior outlets?

 

[ddelfino]

Are you able to get heat from the other interior outlets?

Yes I am able to get heat from other outlets but cold air blowing in at the same time from the outlets blowing by side windows!

 

[Redc7]

It is normal. All cars have a fresh air system where air is circulated through the cabin even when a/c or heat fan is off. Some cars do this through the dash vents and some through vents special for this purpose hidden in doors and foot-wells.

You'll notice the air flows harder depending on your speed. At 60+ mph the air brought in is much more than at slow speeds, because the system works by air being naturally diverted through the air intake as your car drives.

 

[ddelfino]

It is normal. All cars have a fresh air system where air is circulated through the cabin even when a/c or heat fan is off. Some cars do this through the dash vents and some through vents special for this purpose hidden in doors and foot-wells.

You'll notice the air flows harder depending on your speed. At 60+ mph the air brought in is much more than at slow speeds, because the system works by air being naturally diverted through the air intake as your car drives.

I get that but shouldnt it not do that when I have the button pressed to recirc internal air only?

 

[Redc7]

In some cars it does work that way but I guess GM decided not to. The main goal is to keep fresh air flowing thru the cabin. Cars today like houses are a lot tighter so it's more of a safety reason.