2016 versa note purch 2 weeks ago CPO from dealer 9000 miles. With 2 back windows down front windows up at 35 mph start getting bad vibration which gets worse with speed increase. ( The freq. or harmonics is very deep base almost deafing) Roll up either window or both and it stops .. Roll down the front 2 windows and it stops. worse going against wind then cross wind. Besides not driving with 2 back windows down what is going on to fix?
My car has 9000 miles.
My car has an automatic transmission.
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