2005 Ford Explorer Q&A

2005 Ford Explorer Question: What's the hollowing/whistling sound in the dash while driving on highway?

And is it expensive to have fix? I'm a woman and don't want to be taken for all of my change. -
Answer 1
Need more info. It could be the seal around the windshield glass needs repaired or a gap in the insulation. -
Comment 1
where exactly middle or which corner -
Comment 2
It sounds like it is coming through the vents and radio area -