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Discussion Starter · #1 ·
I started to notice my 2018 S90 has high pitched noise when the weather is hot. I think this noise is coming from the intellisafe radar sensor on the windshield (that big black sensor box right behind the rearview mirror). It can get very loud sometimes. I've recorded this high pitched noise here:

https://www.youtube.com/watch?v=d-ZbWQvoWGQ&feature=youtu.be

Does anyone have this problem too? I'm wondering what is causing this.
 

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Sounds like the inside of an airplane, when boarding. I haven’t had that issue yet with my XC90, but a friend owns a S90 has another issue of a rattling sound. The dealership found the source and fixed it.


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Discussion Starter · #4 ·
Thank you. It does sound like an airplane, lol. I guess I need to go back to the dealership now, hope they can fix it.
 
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