How can I change the engineers code to my own (Citadel VR8)?
how to reset CITADEL XR1 back to factory?
citadel xr2 keypad?
citadel xr2?
How to reset the tamper function on my Citadel VR8 alarm please?
Citadel XR2 upstairs remote?
I have a Citadel XR2 alarm. Indicator light wont go off?
attack alarm?
does a citadel xri have two battery's?