I hear a squeaking sound from brakes (sounds like metal on metal) when they get hot.
The brake pads on most vehicles are metallic type brake pads, and these may exhibit a metal grinding sound that may be normal. The brake pad could also be worn to make the same sound. The best recommendation is to have the brakes checked. I recommend you have a mechanic like one from YourMechanic inspect the braking noise to determine what repairs should be performed.
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