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Alarm sounding

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After five days of non use my Boxster (2001 / 2.7) goes to sleep and the only way to enter the vehicle is unlocking the door with the key, however, when i've done this in the past it has fired off the alarm. I then quickly de-activate the alarm using the fob, no probs.

However, how do I stop the alarm from going off in the first place, presuming there is a special 'knack' ... looked in the manual but nothing obvious. Thanks.
 
Here's the easy way...

Put the key in the doorlock.
Turn the key to "wake up" the car. DO NOT OPEN THE DOOR!
Then press the alarm/unlock button. The alarm will now deactivate as normal.

Get in.
Drive[8D]
 
Fantastic!

I waited until a reply came back that seemed 'easy', but thanks to all of you who took time to reply.

Just this minute tried Marks solution and it worked a treat, thanks Mark. [:D]

Hopefully the neighbours will be happier now as I have set off the alarm early in the morning a few times just lately. [:mad:]

 
Just turn the key to the left (anti clock), then take it out and use the usual push on the key to unlock as you would do normally before the car went to sleep.
OK?
 
Can your OPC check the sensitivity level on the alarm? Maybe it needs adjusting.
I'm just guessing since I had a similar syndrom on my Audi TT once where the slightest vibrations could trigger the alarm and the sensor had to be adjusted.
 
an indi or the opc can use their pc kit to diagnose what is making the alarm sound, the alarms are saved into the memory.
Do you per chance have an aftermarket radio sys installed ? this can set off falses due to the wire not being connected. this was my alarm fault although on a Very hot day i get some alarms due to expansion in the car
 
[8|] Thanks for the ideas guys.
Yes I have an aftermarket radio system and I think there is a problem with the connection as when I lock the vehicle the horn always sounds once. I had picked up form other Boxster owners that the horn sounding upon locking is a sign that the aftermarket radio has not been installed correctly. I've never attempted to correct the 'fault' as the radio system works fine and the 'beep' upon locking act as an audible signal that I've locked the car.

The first time the alarm system sounded 'in error' was on a hot evening in Italy. Maybe this 'expansion' problem is the root cause. If so, why have I never experienced such a problem with other cars? Even my Alpha GTV (despite other interesting electrical faults) didnt give this problem.
 
The horn sounding once is a sign in my car that the small locker between the driver and the passenger is open or not 'locked' down correctly. I think that it is a safety/warning that something is not closed fully or correctly and also applies to the front and rear bonnet/boot catches. If I check the car carefully, ensure that everything is locked/closed securely and then unlock and relock the car the horn does not sound.

I cannot comment upon the electronics of an after market radio system.
 
the new radios outer cage may still be the original porsche one as it is in mine, in which case if you remove the unit you may still find the wire attached to the cage, on the cage you also will see if you look carefully that there is a contact which is sharpish and should be sitting on a plastic strip so it doesnt contact the radio body (when you steel the radio the contact is made and alarm will sound)
If you have the original Porsche unit you will see the contact plastic on the top surface.
Also as mentioned above...... the most common (read thousands) single alarm sound upon locking IS the centre console not being closed properly
 
Wow, I had the same thing exactly two weeks ago yesterday!!!

2am and my alarm went off, re-locked the car and two hours later the same happened.

The following night it happened again, same time and did it twice. Also, car up the road went off too...windows open and I am a light sleeper so I would have heard kids as I live in a quiet place too?

Since then nothing!!!!!

(by the way 987 7 months old too)

Weird!
 
are you on about 987 or 986? if 987 make sure there is no metal coins (money) in the ashtray as that can set the alarm off
 
The single beep on locking is to inform you one of the areas monitored by the alarm system has an open circuit, usually this is the arm rest box not shut properly.
If the alarm is set with an open circuit then that circuit is not monitored by the alarm until it is reset.
If the alarm sounds then it could be movement inside the car, was it a windy night? do you have a dangling air freshner?
It could also be a ploy by theives, set off the alarm a few times and over a number of days and usually the owner will disconect the alarm, then they come along and steal it.


Glyn

 
[;)] The alarm went off again a cuple of weeks ago whilst in the car park at work. I shut the air vents, and since then (fingers crossed) I've had no false alarms.

The horn continues to sound once when I lock it, but all the doors etc (inc. the arm rest locker) are closed correctly. I think it's the after market radio system.

Red
 
[:mad:] Aaaaaarrrrrrhhhhhhh, it's driving me crazy!!! The b****y thing has started going off at will again. Any further advice!

Red
 
try to eliminate the component that activates the alarm.
Check the bonnet and boot catch, are they adjusted properly, no excessive movement up and down when closed.

Eliminate the interior sensors by masking them over with masking tape, they will not detact any movement in the car so they will not be able to set the alarm off

Are both door locks adjusted correctly (door level with bodywork)

The alarm is activated by microswitches, in the door locks and bonnet/boot catches, plus the arm rest box, obviously there is also the radio anti theft and the interior sensors.


Glyn
 
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