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Discussion Starter #1
I just noticed a strong high pitched sound coming from my engine, I'm not sure exactly from which component, here is a video:

https://streamable.com/l9465

The car is on in EV mode (Plug-In Hybrid), gear on Park. If I force the ICE to turn on and then off the noise will stop, but it will start again if I turn off/on the car again.

Did you ever hear a similar sound from your car? :confused:
 

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Take it to your dealership, that's either a mis-tensioned belt, a fan bearing that's going, or a dragging brake pedal causing excessive attempts at regen braking.
 

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Discussion Starter #3
Update: found the exact component making the noise, if I do lightly press the plastic of the component with a screwdriver the whining noise does change/stop but I can still hear some sort of electrical rattling, so I guess it's faulty.

New video: https://streamable.com/xoq12

It looks to be this part:
 
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