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2013 Hyundai Sonata GLS whistling sound from AC vent
I get it when I drive 70+ MPH.
I started noticing this now that I am using AC more often (bought 2013 sonata in winter)
Should I just take it to dealer?
I am afraid I will not be able to show the tech unless I drive it at 70+ MPH and even then I may not get whistling sound.