The door on my Peugeot 307 refuses to unlock?

One of the doors on my Peugeot 307 locked itself and has refused to unlock, both through the inside and through outside

I can't open the back doors of my car, what's wrong with it?

The central locking on my Vauxhall Meriva isn't working. I turn the key once to unlock the drivers door and twice to unlock the back and passenger doors, however only the driver's door will actually open....

The passenger door of my Peugeot 807 has locked itself - what should I do?

The passenger door of my Peugeot 807 has locked itself. What should I do?

My central locking isn't working - is this a fuse problem?

We have a Volkswagen Transporter T6. Had a few problems with a fuse blowing and now the central locking is not working. Could this be a fuse problem?

The doors on my Ford Focus won't unlock properly - how do I fix it?

I have recently passed my test and bought a Ford Focus as I needed a car for my newly born daughter. The locking was great for about 2 weeks but recently the when turning the key in the driver's door,...