Key Synchro as follows
1 insert key into drivers lock and turn three times forward ( unlock ), each time holding for 1-2 seconds in the unlock position. Remove key. Warning lamp in door should flash.
2 Within 5 seconds of removing the key point it towards the interior mirror and press and hold the "close" button on the fob.
3 Press the "open" button three times then release the "close" button.
The key should now be synchronised to the car and the warning lamp in the door should flash.
You may need to do this a couple of times before it sets.
DJ