You will need: the key "10", flat-blade screwdriver.
1. Pick up the parking brake lever up until it stops, and you should hear 5-7 clicks of a ratchet device.
2. If the number of clicks does not fit into the above range, remove the lining of the tunnel floor (see."Removal and installation of facing of a tunnel floor")and the rotation of the tip of a cable adjusting nut Get the right amount.