How can I change the engineers code to my own (Citadel VR8)?
citadel xr2 alarm wont stop bleping every time i walk past sensorsjim?
citadel xr2?
I have a Citadel XR2 alarm. Indicator light wont go off?
how can i enter new code into citadel vr8?
Citadel XR2 Battery replacement?