Hi! Just got my P5 the other day. Bought used (2002). I just don't know how the alarm works. Or if there is one at all. I also noticed that there is a momentary push-button dangling from the fuse-box (the cover is missing). So I don't know if the push-button comes from the factory or the previous owner. I have a blinking red LED, but don't know what it's even there for. Just a theft-deterent? Basically, I never hear the alarm (horn) sound unless I hit the panic button. Is there a way to arm/disarm the alarm? Does it sound if someone tried to break-in the car or if the car takes an inpact? Should I replace it with another alarm? Gonna have a starter installed in a few months anyway. What do you guys think? THANKS!