How to re-activate the key fob on my X300?

[Accelerated]

Just wanted to know how to get the key fob working again, it hasn’t worked since I bought it due to a dead battery, which I have now replaced, but although the LED is now working on the fob the doors do not lock / open with it

[Markymark69]

Have a look here : http://www.skjagtech.co.uk/support-pages/x30x/x300...

[Accelerated]

Thanks!