krishna m Posted July 25 Share Posted July 25 Hi, lexus 2023ES 250 is good but started hissing noise and can be heard inside the cabin loudly. Anyone familiar with what this noise can be? Thursday at 2-30 PM.m4a Quote Link to comment Share on other sites More sharing options...
Natty Bumppo Posted 11 hours ago Share Posted 11 hours ago 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. Quote Link to comment Share on other sites More sharing options...
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