The parking brake is a Duo-Servo-system. The word ?�Duo?� means that the braking effect in both directions of disc rotation is the same, the word ?�Servo?� means that the braking action provided one block to another. Brake pads brake is not visible from outside, because they are beyond the brake disc in the drum. The mechanism of the parking brake consists of a lever, and the equalizer levers drive the rear wheels.