To open all doors press the 'Unlock' botton twice within 3 seconds.
To reprogramme so that you only need to press the 'Unlock' button once you have to press the 'Unlock' and 'Lock' buttons simultaneously for at least 4 seconds with the ignition switched off. The direction indicators will flash twice to indicate that the unlockingfuction has been successful. To go back to double clicking mode press both buttons simultaneously for 4 seconds again.
John W, June 2009