this post was submitted on 25 Jun 2025
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I'm not sure if we're talking about the same sound as it's so high pitched that most people older than me are unable to even hear it while people my age or younger can clearly identify it. If that's supposed to be a warning system, it doesn't seem very good?
I mean, it's also entirely possible you've heard a failing magnetic drive, a humming battery, or a squeeky mechanical thing like brakes or bearings. Those are all strong indicators of a significant problem with the car, and should be fixed immediately. But if you hear it every time, as soon as the car starts moving in a parking lot, that's the safety feature.