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  #1  
Old 01-23-2008, 10:00 AM
 
Join Date: Jan 2008
Posts: 2
Default How do I turn off XC90 alarm and make it stay off?

I have a 2004 XC90 that I bought used a couple of months ago. So far everything has been great ... until this morning. My alarm went off at 4:30 am. I shut it off by hitting the "UNLOCK" button on my remote.Then I hit the "LOCK" button again. About 5 minutes later it went off again. So I turned it off again with the "UNLOCK" button on the remote. This time I decided to just leave the car unlocked. Ah, but myVolvo is too smart for that, and after a couple of minutesitlocked the doors itself and reset the alarm. And then the alarm went offagain, and again, and again.....Ifinally went out andchecked the owners manual. It said that if I just used the button on the remote to open the back hatch, then open the hatch, and close the hatch, the alarm wouldnot be re-activated. That didn't work.The alarm light was still flashing. I'm now desperate and don't want my neighbors to hate me, so I just left one of the doors sliightly ajar. It's raining, and the interior light won't go off, but what else can I do? At least the alarm is off.

Is there any way to lock my doors,andkeep the alarm from activating? I can'tbelieve I can't even CHOOSE to leave my doors unlocked without my car locking itself and resetting the alarm.

Thanks....
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  #2  
Old 01-24-2008, 03:32 AM
 
Join Date: Jan 2008
Posts: 2
Default RE: How do I turn off XC90 alarm and make it stay off?

Here's the update on my XC90. I spent 3 hours at the Volvo auto shop today.They said I hada faulty siren. They don't have the part and will have to order it, and they won't be able to install ituntil monday. I can't lock the car or the alarm will go off again, so for the next 5 days it will have to be unlocked. The diagnostic test was supposed to be $120 and to be subtracted from any work I had done. But I walked out today paying nothing, but the work on monday will cost $350 to replace the faulty siren.

Also, in my previous posting I saidI kept locking my car with the remote and after 2 minutes it would lock itself back up. But if I unlock the car then open and shut a door, it stays unlocked. I should have figured that out last night, but it's hard to think clearly when your car wakes you up in the middle of the night.
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  #3  
Old 05-31-2010, 05:43 AM
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Join Date: May 2010
Posts: 1
Default alarm xc90

Thanks, Jackievolvo,

We've had a great laugh with my wife, perfectly written, it unfortunately absolutely describes our problem and that is not fun.
The dealership couldn't figure out the problem, almost did not believe, untill the alarm went off at their garage and they couldn't stop it so the battery went flat. They reckon its probably the battery(though its new), causing lower voltage. So I recharged the battery, now I cant reconnect it because the alarm goes off and IT STAYS OFF. So my at the beginning of my problem I could see some sympathy in the eyes of my neiburghrs. The looks are bit different now as they got more familiar with siren of my lovely volvo. and the dogs...

Anyways, I wanted to ask you, did the change of the alarm siren or system help.
I reckon its the notoriously faulty electricity int the car. maybe wiring, besides I noticed some water leak (its been raining as crazy) under my legs...,
Thanks.
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  #4  
Old 06-01-2010, 11:34 AM
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Join Date: May 2010
Location: FL
Posts: 754
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If you really want to turn your alarm off and keep it off, tell your dealer to download this part #:

6849891

PS

-PERMANETELY-
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  #5  
Old 06-12-2010, 12:53 AM
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I have this exact same problem. The dealer said it's low battery voltage. That was believable because I hadn't driven the car in a while. But I have the battery charged up now at it still goes off.

I can't believe the dealer didn't tell you to pull the 5A fuse in the cabin that powers the alarm. This now stops the noise so I can sleep, but of course doesn't fix the real problem.
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  #6  
Old 06-13-2010, 12:25 AM
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Quote:
Originally Posted by lens42 View Post

I can't believe the dealer didn't tell you to pull the 5A fuse in the cabin that powers the alarm. This now stops the noise so I can sleep, but of course doesn't fix the real problem.

This may cause other problems you have not notcied yet.
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  #7  
Old 06-14-2010, 02:21 PM
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Well that's really helpful. I can only conclude from your reply that you work for Microsoft. Could you be a little more specific?
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  #8  
Old 06-16-2010, 05:25 PM
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1995 Volvo 850
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Default

LOL. This alarm stuff is crazy. Anyone get a resolution to this one yet?
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  #9  
Old 03-17-2011, 05:53 AM
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Default RE: How do I turn off XC90 alarm and make it stay off?

Hello. Great thread. My Volvo XC90 alarm has just started going off for no reason too - but only occasionally. Last night it went off only once. Unfortunately a neighbour's car alarm was also going off - all night long. When my car alarm pinged this morning I went out to unlock/lock with the remote to find irate neighbours blaming me for the 'all nighter' down the street. ....of course my protests fell on deaf ears (or should that be deafened ears?). One neighbour said I looked dreadful (no sleep) thanks for that!

Anyway, after a trawl and speaking to Mr Volvo (who cant see the car until next week) low battery seems to be in pole position... but....If it was a low battery, presumably once it is disarmed and then rearmed it would/should immediately trigger? Mine doesn't. It just goes off randomly.... like just now. Excuse me.

.................Back...... Does anyone know where the motion sensor is in the car? My father had a similar problem some time ago and it transpired that a tiny spider had spun its web across the sensor and triggered the alarm every time it crawled over the area covering the sensor. I can see any sensors. Any clues?

Mr Volvo suggested manually locking the car with the key as it does not activate the siren.
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  #10  
Old 03-22-2011, 07:58 AM
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2004 Volvo XC90
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Default

pull the "alarm siren" fuse out and leave it out if it keeps going off after that were gonna have to go early 90's on it. like i did with my tempo pull the alarm asembly right out..... siren and all and just used door locks.
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Old 03-22-2011, 07:58 AM
 
 
 
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90, alarm, alarmen, cx, disable, disconnect, hatch, nullstille, problem, rear, resetting, resseting, turn, volvo, xc90


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