What's the 2009 Hyundai Sonata automatic transmission fluid type?

The 2009 Hyundai Sonata uses a fully synthetic automatic transmission fluid. Some of the recommendations for Your required fluid are Dexron ViATF Automatic Transmission Fluid and ATF SP IIiAutomatic Transmission Fluid by AISIN. If Your transmission fluid or filter gets clogged, You may notice the engine revving even when You're not accelerating the vehicle, this is called transmission slipping. If You notice this, take Your car in for maintenance immediately, as the damage will only get worse. Changing the transmission fluid is a maintenance item, and should be done regularly to avoid any type of damage to the transmission. The average cost for a Hyundai Sonata transmission fluid change is between $110 and $160 including both the cost of labor and fluid.