Buzzing noise under dash when Ebreak is released?

I recently purchased a 2003 1.7L 5 speed Honda Civic. It is in amazing condition and I only have one issue that I haven't been able to diagnose. When I first start it up it doesn't make any noise but as soon as I lower the Ebreak a buzzing type noise starts under the dash, sometimes it will keep going on and on but sometimes if the heater is on it will stop after a while, and only a few times has it not made the noise at all. Any ideas or possibilities would be greatly appreciated!
Added (1). Buzzing type noise under dash when PARKING BREAK is release

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