UK Car Repair Questions? Ask a Mechanic for Answers ASAP
Ok, do you have a mechanical key for the door
Ok, first, try opening the driver door and lock the doors with the door lock switch. Shut the door from the outside and then unlock the door with the key
If that doesnt work, use the remote to unlock and lock the door from the outside 5 times in quick succession
Ok, the last thing you can do yourself is to reset the system. Disconnect the negative battery cable for 10 minutes and then reconnect.
If still no go, then it is going to require a scan tool to diagnose and likely reprogram
try the reset procedure