Initial adjustment is required only when replacing the parking brake cable, brake caliper or after replacing the brake discs. Remove armrest. Press the brake pedal hard (min. 3 times). Apply and release the parking brake three times. Handbrake lever in original position. Tighten the adjusting nut - see arrow - so that the levers -1- are raised against the brake calipers as far as they will go -2-. The distance -a- to the stop -2- on the left and right brake calipers must not exceed 1.5 mm in total. Check if the wheels turn freely. After the initial installation, the automatic adjustment of the rear brake does not require further adjustment of the parking brake.