1. Blocking rychazhok

2. The situation closed by LOCK

3. Open FREE situation

If locks of back doors are closed and the rychazhok of the blocking device is established in the situation closed by LOCK, then doors cannot be opened from within even if the blocking button is in open situation.

In this case the door can be opened only outside, having pulled the external door handle.

Move a blocking rychazhok in open FREE situation, and the lock will be unblocked.