Lexus GS 450h Brake Questions

3 messages, Last post on Oct 25, 2006 at 9:07 AM

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What is this discussion about? Lexus GS 450h, Brakes, Sedan

#2 of 3 5,000 mile maintenance by bmwconvert Oct 19, 2006 (10:55 am)
Just had my 5k maintenance yesterday. Oil changed and tires rotated. I complained about the thunk sound that comes from the back of the car when you step on the brakes. My car makes this sound only for the first couple of minutes, then it goes away. Service dept said it was normal behavior for the regenerative brakes. I don't buy it. Why would it make a sound like that, then go away? Also complained about the poor illumination distance on the low beam lights. They said the lights were correctly at the factory setting. Not exactly helpful. Replies to this message: bmwconvert (Oct 25, 2006 9:07 am)
#3 of 3 Re: 5,000 mile maintenance [bmwconvert] by bmwconvert Oct 25, 2006 (9:07 am)
Replying to: bmwconvert (Oct 19, 2006 10:55 am) Update on the brake question. The service manager told me that Lexus uses floating calibers, and that the knocking sound heard when pressing the brakes soon after startup has to do with them seating. I'm not up on the technicals around this, but I suppose it's plausible. If this is true, I assume everyone else's car exhibits the same behavior. Luckily it goes away quickly so isn't a distraction. On the low beam HID's, I'm waiting to hear back as to whether I can get them adjusted higher than the factory setting, which as you are all witnessing, is simply too low/short.