Subtle rubbing sound from brake area while driving (not braking) on 2005 Hyundai Tiburon

I just replaced rear brake pads before going on a road trip. I noticed on the trip while driving at interstate speed without brakes applied a subtle rubbing sound similar to the pad replacement indicator sound when braking on worn pads - Any help with diagnosis

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1 answer
Noise in front or back? Recheck your work IF in back!!