What to do? The parking brake is rusted on. I pushed the parking brake on stupidly with a car that was sitting for like 6 years and decided to try and release and it won't release. I also need to move the car now. What do I do? Now i wouldn't be able to get the rotors off as well because the parking brake is stuck on.

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Only diesels in this driveway.
2005 E320 CDI 243k Black/Black
2008 Chevy 3500HD Duramax 340k
2004 Chevy 2500HD Duramax 220k