The alarm goes off on its own, it does not reset and last night it drained the battery which is now flat, the neighbours report that the alarm sounded for approx 1 hour on and off and the hazzards flashed for approx 2 hours. Recently the car was hit from behind, only skuff on bumper but could this have anything to do with problem. Is it possible to turn off the siren.
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Re: ALARM GOES OFF ON ITS OWN. IT DOES NOT RESET.
1. find the trunk (boot) sensor (plunger) and tape it in the down position.
2. recharge the battery.
3. close the trunk and rearm the alarm.
4. listen for the alarm to go off. if it does proceed to step 6. if not see step 5.
5. the travel is too large for this trunk sensor. must have been caused by the accident. you can build up the area with some velcro or tape where the plunger meets the metal to make the travel less, thus making the alarm system think the trunk is not opened when the trunk is closed. or this sensor was damaged by the accident which will to be replaced.
6. the trunk sensor is not the problem. untape it and proceed to the hood (bonnet) sensor. tape it down and repeat steps 1-4 for the hood sensor.
7. keep repeating on the other sensors (doors, fuel door) until you find the sensor causing the problem.
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try resetting alarm lower drivers side window and take out keys,disconnect battery and fully charge it , when you reconnect battery alarm will go off ,put key in drivers side door and turn key all the way open and all the locked 3 times then remove key that should reset alarm.
Hello, sounds like you need a new battery. As the battery goes flat the alarm senses it and sets off the warning system. Try changing the battery first and test it during the day. Also check to see if there is anything draining the power. You may also be able to adjust the alarm settings manually. Failing that, the alarm may need replacing. I hope I have helped.
disable the hood microswitch. just unplug it. That and the cabin sensor are the most probably reasons the alarm will go off.
Alarms are useless. Totally effin useless. So it goes off.....then whaddya going to do. Shoot someone? Call the police? or listen to it drain the battery over and over again.
But....you can't disable the alarm totally. The bmw engineers have tied it into the main computer. you can however disable the sensors one by one so it doesn't set off the alarm. Hood sensor....Hood sensor....that's the culprit.
This alarm system can only be 'disarmed' using the keyless remote programmed for this specific vehicle. Press the "Unlock" button on the keyless remote -- this resets/disarms the alarm system. If you do not have keyless remote for this vehicle, get one and have it programmed at a Hyundai Service Center. Problem solved.
this happened to me recently with my 96 grand cherokee. the battery got drained by the alarm going off randomly at night. i pulled the fuse for the horn so at least my neighbors would only be bothered by flashing lights. then i couldn't jump the car because the alarm was still going off. i hooked my car to jump it to another car, and then i had to deactivate the alarm first by putting my key in the driver side door and unlocking the car. then i left it hooked to another car and still getting power but didn't jump it for at least 5 minutes in case the computer needed to reset. then it jumped fine. from what i've read online, this is a common problem that can be avoided if you stop using the power locks and always manually lock and unlock the doors with your key. its a little annoying, but apparently the power locks are connected to the alarm issue. hope the same works for you.
I had same problem, when a door lock broke, the car thinks it has been broken into once the alarm goes off. Mine started going off randomly when this lock broke. You have to reset the alarm system, with my 1990 Acura it was reset finally by putting key in door lock and turning key back and forth 3X. In my car, it was OK to do the key in door lock cycle in the passenger side door lock, but Acura dealer told me not all Acuras will reset it via passenger side key cycling, some require driver door lock key cycling only. I was lucky since my driver side door lock was currently useless, that my car allowed it to be done by key cycle on pass. door lock. But try that and if it doesn't fix it, just call acura dealerships until someone tells you the right answer. In my situation it took 3 dealerships with 3 different answers until this was the right one for my 1990 Legend.
PS I was told you can't disable alarm since it is all integrated into the battery and starting system, but read on another post that someone disableld theirs by disconnecting the horn.