Xantia Alarm

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My 96N Xantia 1.9tD LX has a problem with its alarm. Everytime i set the alarm it goes off (after 5 minutes or so) Is there a sensor that might be faulty or something that might need
clean..i know 2 other people that have the same problem.
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On Tue, 19 Oct 2004 12:12:49 +0000, Rob Beech wrote:

Most likely to be the ultrasonic detectors built into the driver and passenger doors (on the inside of where the mirrors are) try disabling the ultrasonic detectors on the dash and see if it makes a difference. If not take the car to a Citroen dealer and ask them to read the fault codes for the alarm. (which would probably be a good idea in the first place)
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I think most people disable the alarms on Xantia's after a couple of years due to persistent problems!
Someone has disconnected the siren on mine, and I have now totally disabled the alarm (which is quite easy) because I got fed up of the lights flashing!
Matt.
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Matthew Maddock ( snipped-for-privacy@plsnospam.mmaddock.com) gurgled happily, sounding much like they were saying :

There's a key switch under the bonnet to do that...
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On Tue, 19 Oct 2004 21:37:19 +0000, Adrian wrote:

Not on all Xantias, my early series 1 VSX had the keyswitch, my Activa has a great big fat nothing there :)
(btw, my alarm works fine, take it to a sensible dealer/specialist and they will fix it no problem, both of my Xantias have had the ultrasound detectors fail and replacing them fixed the problem costing about 50 quid inc. parts and labour for each car)
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Hi, Ok so how do i disable the siren on my troublesome Xantia alarm ? The neighbours DO NOT like it going off at 3 am. ( I work funny hours ). There is no switch under the bonnet & there is a keypad for the startcode. Cheers Ray.

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On Fri, 22 Oct 2004 10:06:24 +0000, djindivik wrote:

Don't set the alarm is the obvious answer ;)
If there is no key switch to disable the alarm system under the bonnet at the top right hand side (it looks like a door lock) then there will be a button in the cabin, (somewhere on the right hand side of the steering wheel if my memory serves me correctly) which has a picture of a siren with a cross through it, if you push this button in then it will disable the siren (you may have to hold it in for 3 or 4 seconds to enable it, i don't fully recall) but you will have to do this every time you park the car and stop the engine.
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No, i dont set the alarm, the key blipper stopped working long ago, I use the key to unlock/lock the doors. I know when it is going to happen because when i start the motor, the alarm light flashes, the one at the top of the panel. When i stop the motor, turn off the key, then the 2 indicator lights flash once, slowly, i then am ready for it, so i open the door & close it again, off goes the alarm. Back on goes the ignition, press the button you mentioned & it stops the siren. Its that 2-3 seconds of alarm that is driving me, & my neighbours mad. I just need to disable the siren completely. Cheers. Ray

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You can disable to alarm permanently by using the alarm button to the right of the steering wheel.
Start the car - possibly with the alarm going! and press and hold the button in for about 5 seconds. The hazard warning lights will flash five times in a row very quickly and the alarm will now be totally disabled. You will only have to repeat this procedure if you disconnect the battery. That's what I have done and I have never had to re-do it everytime I lock the vehicle.
Matt.

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hissing ( snipped-for-privacy@gmail.com) gurgled happily, sounding much like they were saying :

Umm, that doesn't disable the siren - it disables the ultrasonic sensors only.
I don't know about the various iterations of Xant alarm, but on the s2 XM (which had the same style as the '93 and '96 Xants my parents have had), you just either use the key, or only give a press on the first remote button - one is lock/unlock, the other sets deadlocks and alarm.
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On Fri, 22 Oct 2004 18:20:19 +0000, Adrian wrote:

Yeah, reading the other post i got confused about that and the disable by holding it in for 5 seconds. Most Xantia alarm problems tend to be found to be the ultrasounders which is why I was confusing the situation. Testing this by disabling them tends to show up the fault.

Aye, when my car had a faulty alarm i just never deadlocked it. Like anyone would want to nick a citroen in the first place ;)
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Yes i do the switch thing to stop the siren, but it still happens at a later, & random time. Next time, i will hold it for at least 5 seconds. Hope that disables the bugger permanently. Cheers. Ray
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Adrian wrote:

With the ignition off, yes. Doing it with the ignition *ON* will disable the siren (series 2 Xantia, '98 on....)
Alan
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I dont want to just stop the siren, I want to disconnect it, take the wires off, take it off, throw it in the river, do whatever is nessesary to stop the bugger from going off. Where is it ? does anybody know ? I know Its buried somewhere so that thieves can not disarm it. SO Where the heck is the f***in thing ? Does anybody Know ???
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djindivik wrote:

The control box is under the carpet beneath the front passenger seat (UK spec cars anyway). Try disconnecting it to see if that shuts it up.
Alan
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Cheers Alan, The carpet comes up in the am. Ray.

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Well i've been told on good authority, that if i mess with the control box, ie disconnect it, etc, that i will permanently disable the car, & wont be able to re-start it without taking it to the Citroen agent, even if i reconnect it, so i dont want to do that. If someone could just tell me where the SIREN is, i can disconnect it, cut its throat, murder it, kill it to death, stop its bloody wailing. Thanks. Or is it a secret ? Ray.

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djindivik wrote:

Sorry, don't know where the siren is, probably behind the bumber or somewhere just as unlikely.
Try asking on the Andyspares forum: http://www.andyspares.com/discussionforum/forum.asp?FORUM_ID=3 Loads of knowledgable people on there. (Bunging 'Xantia' and 'alarm' into the search brings up loads of threads....)
Alan
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djindivik wrote:

Sorry, don't know where the siren is, probably behind the bumper or somewhere just as unlikely.
Try asking on the Andyspares forum: http://www.andyspares.com/discussionforum/forum.asp?FORUM_ID=3
Loads of knowledgable people on there. (Bunging 'Xantia' and 'alarm' into the search brings up loads of threads....)
Alan
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I don't understand why you can't just disable it as I have mine with the dashboard button.
Matt.

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