Park Brake System
WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Review the system operation in order to familiarize yourself with the system functions. See PARK BRAKE SYSTEM under DESCRIPTION & OPERATION.
Inspect for aftermarket devices which could affect the operation of the park brake system. Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.