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When I first got my 2012 GT (not quite 2 months ago) I tested the active anti-theft system a couple of times. Specifically the movement inside the cabin test. I’d power both windows all the way down, get out and arm the system. A minute later I’d reach inside either window and the alarm would immediately sound. I thought it was pretty cool that it didn’t take but 2 inches inside the window and the alarm would sound. Now when I do that same test I have to wave my arm around inside the car to get the alarm to sound. It’s possible that one of my sensors has gone bad.

What I’m not sure of is which sensitivity is right? The sensitivity that I used to have when I’d barely reach inside the car and the alarm would sound, or the sensitivity that I have to wave my arm around inside the car to trigger the system. Could someone that has the active anti-theft system chime in with their level of sensitivity? Thanks in advance!
 

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I tested mine shortly after getting the car. Tested just like you did. I had to reach in and moved my arm aroung some for it to trigger. Haven't tried it since but I just assumed it was doing what it was supposed to.
TV
 

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HHHhhhmmmm . . ... ok thanks! Maybe there is nothing wrong with mine then? It's just wierd that when it was 2 days old it was a lot more sensative.
 

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Maybe you just happened to reach in to just the right spot to trip it the first time? I didn't know our alarms did this, I'll give it a try and let you know how much motion it takes to set it off.
 

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Maybe you just happened to reach in to just the right spot to trip it the first time? I didn't know our alarms did this, I'll give it a try and let you know how much motion it takes to set it off.
I couldn't have reached in the same spot everytime? I tested it a couple of times over the course of several days. I appreciate you checking yours. Thanks!

Oh . . ... be sure when the windows are down and you lock it with the fob that you give it 30 seconds to arm. Nothing will happen if you check it right away after arming. Also the hood and trunk must be compeltely closed when arming, or again nothing will happen.
 

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I knew where the sensors are mounted, but what I don't know is if both of them are working.
Cover them one at a time with a piece of duct tape or something so you can check them individually.
 

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Cover them one at a time with a piece of duct tape or something so you can check them individually.
Good idea! I know because I tried that. The sensors are sonic and transmit right through the cover. The signals must bounce all over the interior? It's wierd because I can't get the sensativity to be the same twice in a row. One time it's almost like it used to be and the next time a fat house cat could crawl all over the interior and the alarm would not trigger.
 
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