I purchased a new 2012 Hyundai Sonata Hybrid in March of 2013. I decided to move on so I sold it back to the dealership last night. My biggest disappointment was that I was never able to get the 34/39 mileage as advertised and I do not have a heavy foot. The car was also jerky and hesitates when pulling away from a stop and transitioning from electric to gas especially when cold. I spoke to the dealership about my concerns and was told there is no recalls or TSBs about my concerns. Also, I was shock to realize this car does not come with a spare tire or jack.