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2023 Lexus ES250 hissing noise


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  • 3 months later...

Do you have AC ventilated seats option? I do on my 2021 ES350 with the Premium package that includes the AC cooled seats option and also heard a hissing background sound when the engine started. Turned out to be the AC seat fan that was on and did not know about the option since 1st time to own a Lexus. I turned off AC seat option on the dashboard selection and sound gone. 

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