We've experienced two separate instances in the past week where our 2009 Santa Fe has accelerated on it's own. Once in town at around 30mph with my wife driving and again when I was on the highway at 75-80mph. Applying the brakes did nothing, and in both instances, we had to shift the vehicle into NEUTRAL and allow the engine to rev and slam it back into gear before normal operation resumed. Let me assure you that it was NOT a fun experience. Cruise control was NOT ENGAGED, nor was this a "FLOOR MAT PROBLEM". I physically stuck my foot under the gas pedal and raised it up with no difference to the vehicles speed. It just wanted to take off. We immediately called and took the vehicle to the dealership after the most recent incident (on 12 DEC 2009) and they stated they have been unable to find anything wrong. Of course not. It was operating normally when we dropped it off too! I've filed a complaint with the NHTSA as well as with Hyundai USA. I suggested that the problem was related to the electronic throttle somewhere and even suggested they replace the Throttle Position Sensor as it may be defective. (they failed to repair or replace anything!) They want us to take the vehicle, but we do not feel safe driving it, especially since nothing was repaired or replaced! This is a serious issue, and the problem occurred with two different drivers at different times. If they're so confident there's nothing wrong, I'd like to see them put their wife and kids in the car and let them take it out on the highway.
I'd really like to know if other Santa Fe owners have also experienced unexplained sudden acceleration issues? If so, please speak up and log a complaint at NHTSA.GOV!
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