Press any button, then enter the Master Code followed by the ‘#’

Select the ‘3’ button followed by the ‘#’.

Select the ‘1’ button followed by the ‘#’.

Enter the slot number for the fob followed by the ‘#’.

Push both unlock buttons on the key fob.

Press the ‘#’ button to confirm.

Press the ‘#’ button to finish.

For further information please see the installation guide found here http://www.yale.co.uk/en/yale/couk/productsdb/smart-locks/Keyfree-Connected-Smart-Lock/