found it, tried it, tested it and.....
IT WORKS!!!!
Try this :-
• Sit in the drivers seat and close all the doors.
• Turn ignition to pos II
• Cycle the drivers door lock button to Lock then Unlock 3 times,
• Turn ignition to pos I
• Cycle the drivers door lock button to Lock then Unlock 3 times,
• Turn ignition to pos II
You are now in setting mode. By cycling drivers door lock button to Lock and then Unlock you will hear a tone from the vehicle chimer.
• A short tone followed by a long one indicates that Autolocking has been activated
• A short tone only indicates that Autolocking has been deactivated.
ENJOY