Why do my 2009 Corsa utility's rear brakes lock?

Your 2009 Corsa utility's rear brakes may lock due to several reasons, including worn brake pads, malfunctioning brake shoes, or issues with the brake hydraulic system, such as a stuck caliper or a failing master cylinder. Additionally, if the brake adjustment is incorrect, it can lead to uneven pressure and cause the brakes to lock. Inspecting the brake components and ensuring proper adjustment can help identify and resolve the issue. If the problem persists, consulting a professional mechanic is advisable for a thorough diagnosis.