central locking problem please help!

[Red SV6]

hey guys and girls
i have a vz sv6 and my central locking has been playing up lately, and lastnight i locked my keys in the car and had to break in

first of the buttons on my key for unlock if i push it once for a second it will just unlock the front door if i hold it down it will unlock all doors but recently if i hold it down it will unlock all doors than immediatly lock again, also if i get out of my car and close the door it automatically locks itself does anyone know what this could be!!?

any help is appreciated

 

[A9L]

Might be a drama with the transponder?

If it is that, good thing is you can get genuine ones for <$50, use your old blade and the 10-10-10 method to program it.

 

[illlusion]

Drivers door lock check all the rods and clips what happens is it does raise all the way up and the motor senses the door lock been closed manually and activates the central locking it's pretty common across the vt-vz range same when closing the door it jolts the lock and the doors lock