How can I change the engineers code to my own (Citadel VR8)?
does a citadel xri have two battery's?
how to stop the sensor beeping on citadel alarm?
I have a Citadel XR2 alarm. Indicator light wont go off?
citadel xr2 need to turn power off?
Citadel XR2 Battery replacement?
citadel xr2+ tamper mode?
Tamper light showing on Citadel vr8 system?
how can i enter new code into citadel vr8?