how to reset CITADEL XR1 back to factory?
Tamper light showing on Citadel vr8 system?
citadel xr2 need to turn power off?
Citadel XR1 how to remove the tamper light so you can operate the alarm?
how do i fix my citadel house alarm?
How to reset the tamper function on my Citadel VR8 alarm please?