how can i find out which part of my central locking is faulty.i can open the boot,which sets off the alarm,climb over and open passenger door from inside,but the drivers door is completely 'stuck'.the alarm works,the system locks passenger side and boot,but wont let me in at all on drivers side.thankyou

angela james, September 2007

So, the driver's door will not lock or unlock?
If that's the case, I'd say the actuator aka solenoid in the door which operates the lock/unlock mechanism is siezed. This is more common on after market central locking systems, where cheap actuators are used. The door trim will need to come off for the repair to be carried out.

John Walker, September 2007