Re: Can car alarm be set off by cell phone?

["mikey" <loismustdie@xxxxxxxxx>]

And folks walk around with these transmitters nestled up nice and
close to their brains.

"Jim" <alarminex@xxxxxxx> wrote in message
news:1148701603.254458.57590@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>
> DanK wrote:
> > We have a 2004 Toyota with a factory installed car alarm.  The alarm
> > goes off randomly.  Sometimes a few times a day, some days not at all.
> > No physical disturbance is setting it off (it does it even sitting in
> > our closed garage).  However, we noticed that it seems to happen when
> > my daughter's cell phone is in the car.  I am still trying to confirm
> > this relationship (by having the phone in there, or not having it in
> > there, and seeing when the alarm goes off).
> >
> > Could the cell phone be setting off the alarm?  It's nothing obvious,
> > like the phone being on "vibrate" mode, and receiving a call.  Could
> > the phone be sending a radio signal that is at a frequency that sets
> > off the alarm (like the frequency of the emergency button on the key
> > pad)?
> >
> > We had it at the Toyota dealer, but they didn't find anything (this was
> > before I made the cellphone connection).
> >
> > Thanks for any help!
> >
> > DanK
>
> Four or five years ago, I had to move a smoke detector out of a
> business conference room. Every time someone would use a cell phone in
> the room, it would set off the fire alarm.
>
> At my office. When I'm using the office phone (land line) and my office
> assistants cell phone is going to get a call ( a few seconds before her
> cell phone rings) I hear strong clicking on the desk handset. Seems
> like it might be able to cause a problem with a sensitive circuit in a
> car alarm.
>



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