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*sighs* They kept trying to tell me that it was cell phone interference. They even had the nerve to throw a piece of paper at me (that looked like it had been copies over many times before) that claimed that any noises were from cell phones. I know what cell phone interference sounds like, and it's not a constant noise!

Allow me to quote a reply someone posted about this lovely problem...

" My 2007 Limited Santa Fe had a high pitched whine at low volumes. Turns out - they all do! Hyundai is aware of the issue and has no plans to do a re-caIl. I contacted Harmon International (owner of Infinity) and discussed the issue. After my conversation, the local dealer (Ed Voyles in Marietta, GA) contacted me and told that Infinity had contacted them with a solution. The wiring harness that contains the audio cables to the amplifier was inducing noise into the cables because Hyundai did not use shielded cables for the amplifier inputs. The fix consists or removing the passenger seat, the center console and the radio and running new shielded audio ires to the amplifier and separated from the wiring harness. The noise was nearly eliminated and I am very thankful because it was driving me crazy! (even if your repair man can't hear it, it is there unless it has been fixed. I hope this post helps someone!"


My boyfriend and I also have a bit of a theory about this noise. It's one of those noises that's just high enough that older people can't usually hear it. We've actually tested this with his mother in the car. She couldn't hear it until the noise went down slightly. *sighs*
I'm almost tempted to say that it also has something to do with the satellite radio in the car. The noise will actually stop when I go under an overpass on the highway. So I get a half second break. D: I don't use the satellite radio, so I kinda want to tell them to take it out if that is contributing to the noise. But since they even deny that there is a noise, I don't think that's gonna happen.

Rawr.