How can I set up the alarm as I don't know the old code??? I took the battery out but Im scared to put it back incase it stars to bip!!!

Gaby, March 2014

Why did you take the battery out to begin with?

Now for the really easy part, the code can be changed by holding down, shorting out, pressing within 6 seconds, accessing the UDL, shorting out two sets of.................

Of what?
You do not mention the name make nor model.
I am afraid none of us here passed the mind reading course.

Alarm, March 2014