How do you bypass the parking break for a boss BV9963I?

To bypass the parking brake on a Boss BV9963I, you typically need to locate the parking brake wire, which is usually a light green wire, and ground it. This will trick the system into thinking the parking brake is engaged. However, it's important to note that bypassing safety features like the parking brake can be illegal or unsafe while driving, so it's recommended to only use the unit while parked. Always consult the user manual or a professional for guidance.