The parking brake should hold the vehicle on a steep road with moderate (3 or 4 clicks) lifting the parking brake lever. When lowering the lever, the brake mechanism must not hold the vehicle stationary.
Operating procedure:
raise the rear of the car and put it on stands;
remove the wheels;
adjust the parking brake as described in section «Brake system»;
Lower the vehicle and check for proper adjustment on a hilly section of road.