The Lexus brakes should not bark. This has been an embarrassing issue for Lexus for over a decade now. The only solution is to replace the ABS unit, which is expensive. Again, Lexus brakes should not make any noise when pressed. After all, this is a luxury car.

 

All Toyota and Lexus models make buzzing sound and it is related to the pressure accumulator.

 

how about other brands? Same issue?

 

Have you found a resolution for this? My es300h is making the same annoying buzzing sound every single stop. Sometimes not even stopping. I don't think its normal. Maybe every couple of stops, but every single time pressing on the brakes is excessive and feel like something is off. Any thoughts or anyone else experience this?

 

Same issue here since new on 23' ES 300h (9 months old). Since the cabin is very quiet, the noise is very noticeable/annoying. Apparently is completely normal as @ESh reported a few posts back and @LS500Fan in post #3.

 

I have the brake boost buzz in my '23 ES 300h. When I first open the car door, pretty much any time I stop or even tap the brake pedal. I have a '23 RX 350h which is nearly identical under the hood and never heard it make that sound in a year and a half. So far no actual problems, it just seems strange.

 

7ES, Camry, Avalon, RAV, Corolla Cross...they all activate the accumulator pump when the driver opens the door. It is completely normal.

 

 

Yeah, it is normal, it will do that until the 12V battery is depleted.