Squealing Brakes 550 Overtrail

No fix but sounds like TSB incoming
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Mine are now squeaking loudly on reverse out of the carport driveway (400miles~) in the mornings when it's 90%+ humidity. I haven't heard it as much or none when I reverse in the afternoons. Texted my sales guy and he said it's a known issue they are working on and that Lexus will reach out when they have a solution. Let's see if I hear from them!

I had the IS before this car and I heard squeaking sometimes but usually when it was time to change the break pads but it was NEVER as loud as this GX.
 
No fix but sounds like TSB incoming
View attachment 3590

Same experience here and I'm waiting for them to call back. I checked again today and was told it should be soon but no timeline. For the vibration, the road force balancing worked for about 200 miles and then the vibration is back, not as bad but it is gradually getting worse. I'm hoping the new brake parts will help with the vibration too.
 

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