We purchased a 2009 Buick Enclave in July, 2009. We returned to the dealership to tell them that there was a very, very significant problem. Initially, we thought the tire was coming off the vehicle, the vibration was so bad. Through process of elimination, we discerned that the vibration was caused by the rear windows being lowered, even just a little. The dealership had a document #PIT4355B: Wind Buffeting Noise With A Rear Window Down and four models were listed with this CONCERN. The noise is descibed in this document as low... read full review »