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Sounds like a normal heat pump/AC compressor to me. I wouldn't waste your time with a service appt. Every EV I've had sounds like this with the A/C on.
This is the first you've noticed sound coming from the front in nearly 2 years of ownership?
Indeed. This is the first time I notice that sound! I have to say that I just drive the car, and maintain it (change filters, do tire rotation, etc.) but rarely check anything else.