Beeping noise when unlocking is200
Beeping noise when unlocking is200
If you do take it apart, just take the battery along to Maplin, and ask the staff there to tell you if they've got a replacement. They've got all sorts of weird and wonderful batteries, so there's a reasonable chance.
Basically it is just for the siren,
so if someone breaks into your car and the alarm goes off, removing the main battery wont turn the alarm off, it keeps blaring using the internal battery