How can I change the engineers code to my own (Citadel VR8)?
citadel xri?
citadel xr2 alarm fault. please help!!?
how to reset CITADEL XR1 back to factory?
Tamper light showing on Citadel vr8 system?
how can i enter new code into citadel vr8?
Citadel XR2 upstairs remote?
citadel xr2?
How to reset the tamper function on my Citadel VR8 alarm please?
citadel xr2 8zone?
citadel xr2 need to turn power off?
citadel xr2 alarm wont stop bleping every time i walk past sensorsjim?