In this Signalis guide, we explain how to open the 5 Lock Door and solve all puzzles necessary to get each key for it.

The latch will not move because there is a crack inside the cylinder. I can lock the door with the deadbolt, but if I don’t keep it locked, the door swings open.

If the front door is relatively secure, skilled locksmiths may use more invasive methods to unlock it. For example, they may attempt to use bump keys, pick the lock with specialized tools, or use an ...

This video delves into the components of a typical household door handle, detailing the handle, rosette, latch, latch ...

Electronic door latches, often called e-latches or another branded name, use an electrical signal to lock and unlock the car door; if the signal isn’t there, the door won’t open.