Locking and unlocking the right back door is very insensitive, so you have to press it several times.

When the lock switch is not flexible; First; First of all, you should consider the card withdrawal between the lock core and the lock wall; Need to use lubricating oil, through the key to transport a little. You can see that there is a little investment in it. After a while. Turn the key back and forth. Try to lubricate all contact points with lubricating oil. That's good. Second; If this is not good enough, you need professionals to help you solve it.

Jugua Street; Kaiyang; The eight-character fortune teller changed his name to Feng Shui.