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exterior motion sensors HELP

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has anyone tried using an exterior motion detector on their car and if so what brand and does porsche make one that is compatible with the already existing factory alarm. Thanks already had car vandalized once and would like to deter futher idiots.

I'm not aware of any such thing as an exterior motion detector, but when I bought my 2001 coupe (7 years ago), I had a Stinger Doubleguard shock sensor and Directed Electronics 504m tilt sensor installed by a local car stereo shop. Both are made by Directed Electronics, the manufacturer of Viper car alarms (www.directed.com). Both were devices meant to integrate easily with factory alarms, but of course, nothing is so easy. One of them (I think it was the tilt sensor) required at least three return trips to the shop to get sorted out, and only after I got someone from DE on the phone with my installer (who was a very experienced and talented guy). My advice would be to pick a shop that's close to home, because it's likely to take several return trips to them before it works right.

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has anyone tried using an exterior motion detector on their car and if so what brand and does porsche make one that is compatible with the already existing factory alarm. Thanks already had car vandalized once and would like to deter futher idiots.

Hi, I have a Viper system with the proximity sensors "motion Detectors". I sincerely doubt that Porsche makes a system like that. Most High end cars run a Lo Jack system that'll deter thieves from damaging the vehicle, if they steal it as it'll kill the car where it sits after a set period and they are more concerned with getting away from it than anything else. But it does nothing to prevent a retard from being jealous or having enough respect not to swing open the door on their 85 Skylark into your car. Honestly I disabled the warn away feature, as people today will just chuck a rock at it if they really want to be pricks, and I have a 2-way remote that gives me a visual cue of a problem. I have caught a guy in a Merc SUV in San Fran nailing my passenger door with his door and then ever so nicely trying to rub it off, but he learned dents don't rub off. I believe my method works well though. Occasionally I wear my H&K .45 on my hip for all to see and most will just steer clear in time. Good Luck.

P.S. Depending on the model you get you'll need a transponder bypass, I think that was the name. My car has remote start and it allows the alarm remote to operate functions that normally you would have to have the key in the car for. You can Google DEI as they make something like 12 different car alarms, and read up on all the options.

Edited by ViolaGT3
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