Curious about where air pumped in from the hvac vents exits the vehicle. Clearly goes somewhere because the air pressure is not increasing. Some probably escapes from imperfect door seals.
But because windows open for something as slight as shutting a door (to allow air to escape) I have to imagine there are exhaust vents hidden in the car for when you have the HVAC on and windows shut.
But because windows open for something as slight as shutting a door (to allow air to escape) I have to imagine there are exhaust vents hidden in the car for when you have the HVAC on and windows shut.