Use it or lose it.
This saying aptly describes a vulnerability with your vehicle’s parking brake and occurs mostly on automatic transmission cars.
Why automatic vehicles?
Because many drivers do not use their parking brake at all, until one day when they park on a very steep hill. When they try to drive away, the brake remains stuck on.
This occurs because the parking brake is comprised of cables and levers, which, without regular exercise seize up. So use your parking brake regularly to keep it in good shape. Standard transmission vehicles rarely experience this problem because the parking brake is used frequently.