I have been having major issues with my 2008 gs 350 brakes. After about 5K miles I started hearing a low pitched squealing when I would come to a complete stop. I took it in they put some lubricant and it did NOT fix it. Instead, I started hearing a high pitched squeak when I tapped the brakes. Now at 8K miles, I hear the squeaking CONSTANTLY from 55 mph and under, even when I don't brake at all!! The noise gets much louder the warmer my car is, so after about 10 mins of driving, the sounds are unbearable. I hear it with my windows rolled up and the music playing. I've been in touch with corporate, and the are of NO HELP AT ALL!!! I'm so dissatisfied with their customer service.

WHAT DO I DO!?

Has anyone heard of this kind of issue?
Should I get aftermarket brakes? Will that mess with my warranty?
How is it possible to have a car 6 months old have such HUGE issues with brake noise?

 

I dunno what the lemon laws are in your state but I'd take it back until they get it right... demand a loaner until the issue is resolved.