I have a 2012 Sonata and it has individual climate control. Whether I have the a/c or heat on, I can't get much air flow to the defroster ducts. I had the engine replaced, could there be a vacuum line that was left unhooked?
A forum community dedicated to Hyundai Sonata owners and enthusiasts. Come join the discussion about performance, modifications, appearance and body work, classifieds, troubleshooting, maintenance, and more!