My recently purchased 2006 FX35 started emitting a strange creaking noise from the driver side rear wheel when I gradually apply the brakes. Its not the typical worn out brakes squeak that indicates time for replacements. There seems to be plenty of brake pad life left so I don't know whats the deal. I checked on Consumer Report and was quite stunned that FX's braking system are terrible on their report. Fortunately my FX is still in warranty so I planned on taking it in soon. Any inputs?