In article <mEe1g.5719$_w6.5141@trndny09>,
"Richard Kuroski" <rlski@verizon.net> wrote:

> OK all you sedan drivers try this. Find a nice safe stretch of road and
> take your Civic up to around 30-35 mph. The engine can be anywhere from
> 1500 to 2000 rpm. Now here's the "fun" part. Open the right rear window.
> What you should hear, if your experience is anything like mine, is a loud
> oscillating wind buffeting sound.

This has been around for much, much longer than the new Civic.

I had a 91 Civic wagon that did this.

I've also had other, non-Honda cars do this.

Never figured it out, either.