If the old door lock is being installed, it is necessary to remove the drive rod "2" from the drive lever "1" from above. If a new door lock is being installed, it is necessary to press the sleeve "4" down and remove the drive rod "2" from the clamp "3". Before installation, it is necessary to insert the flexible cable "6" into the door lock. Insert the lock into the door and secure it with both combination bolts. In this case, the flexible drive rod coming from the door handle mount must engage with the door lock. Insert the drive rod "2" into the clamp "3" and move the sleeve "4" upward. After installation, remove the locking pin "6" from the door lock.
(The original version is on the portal AUDIMANUAL.ru)