[Greg]

Does anyone know if the intrusion sensor is supposed to work with the top off? Mine works with the top on but can't get it to work with the top off. Is this normal?


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[Boomer]

There is additional security on the 2LT and 3. Is urs 1LT?

 

[Vigilance247]

By any chance, did you press the button and turn the intrusion alarm off? It's the button next to the open hatch button.

 

[Greg]

It is a 3LT and I did have it turned on. Tried it several times. Works with top on not with top off. It seems to me that is when you need it with the top off.


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[Boomer]

It is a 3LT and I did have it turned on. Tried it several times. Works with top on not with top off. It seems to me that is when you need it with the top off. /QUOTE]

How did you try it?

 

[Greg]

Locked the car with the top off. I let the alarm set up and stuck my arms inside. Did not set off the alarm. With the top on did the same thing and as soon as my arm went in the open window the alarm sounded.


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[Boomer]

Locked the car with the top off. I let the alarm set up and stuck my arms inside. Did not set off the alarm. With the top on did the same thing and as soon as my arm went in the open window the alarm sounded. /QUOTE]


I have no idea if an alarm should go off then.

 

[VettePilot]

Greg.
Did you have your FOB with you. Maybe the car is sensing the FOB.
Just a thought.

 

[Greg]

Thought the same thing. FOB was far away and it still did not go off but thanks for the thought.


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[rdslon01]

Does anyone know if the intrusion sensor is supposed to work with the top off? Mine works with the top on but can't get it to work with the top off. Is this normal?


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I have no idea what GM decided should be "normal" operation. However, if I had been one of the people in the room at GM discussing what the architecture of the intrusion alarm should be, I would have argued intrusion protection should not apply with the top off. With the top off a person should not expect to keep "things" out (for example, a bird could fly in). So, with the top off, my thought is the customer is saying, "It is okay with me if something gets in here and moves around."

With the top on, a customer indicates they are closing up their vehicle and do not want anything getting inside - enable the intrusion protection.

I know there are other aspects to consider such as:
1) why isn't an open window the same as the top off, and
2) since a customer can turn off the intrusion protection, why not always have it enabled by default, even with the top off?

My thoughts to those two questions are:
1) someone may leave their window down an inch or so to let hot air out of the car, so arm the intrusion protection regardless of if the windows are up all the way or not, and
2) with the top off you just cannot expect something to not get in, so don't set off the alarm unnecessarily (there is a high probability with the top off that this could happen, so just disable it).

I know my thoughts are probably not very satisfying to you, and I am sorry it does not work as you wish. All I can say is that I personally would be completely satisfied with this type of behaviour for the intrusion protection.

Best wishes!

 

[jsvette]

Will have to do some experimenting with RedHot. I do know with my Porsche there was a micro switch in one of the top latch areas that was designed prevent the intrusion alarm from working if it was down. You could bypass it by either installing a clip to make it think the top was closed or use your finger to hold the switch while activating the alarm. Have not noticed any switch with the Stingray, but will check it out this weekend when I get a chance.

 

[glen e]

My intrusion alarm is also hit or miss...with windows open, all it takes is reaching in, but with top off, it does not go off as far as I can tell....

 

[Greg]

I have no idea what GM decided should be "normal" operation. However, if I had been one of the people in the room at GM discussing what the architecture of the intrusion alarm should be, I would have argued intrusion protection should not apply with the top off. With the top off a person should not expect to keep "things" out (for example, a bird could fly in). So, with the top off, my thought is the customer is saying, "It is okay with me if something gets in here and moves around."

With the top on, a customer indicates they are closing up their vehicle and do not want anything getting inside - enable the intrusion protection.

I know there are other aspects to consider such as:
1) why isn't an open window the same as the top off, and
2) since a customer can turn off the intrusion protection, why not always have it enabled by default, even with the top off?

My thoughts to those two questions are:
1) someone may leave their window down an inch or so to let hot air out of the car, so arm the intrusion protection regardless of if the windows are up all the way or not, and
2) with the top off you just cannot expect something to not get in, so don't set off the alarm unnecessarily (there is a high probability with the top off that this could happen, so just disable it).

I know my thoughts are probably not very satisfying to you, and I am sorry it does not work as you wish. All I can say is that I personally would be completely satisfied with this type of behaviour for the intrusion protection.

Best wishes!

Thanks for your thoughts. You are probably correct in your thinking. As I have my top on most of the time I am glad the intrusion alarm works. Will have to watch it with the top off. Thanks again.


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[Greg]

Will have to do some experimenting with RedHot. I do know with my Porsche there was a micro switch in one of the top latch areas that was designed prevent the intrusion alarm from working if it was down. You could bypass it by either installing a clip to make it think the top was closed or use your finger to hold the switch while activating the alarm. Have not noticed any switch with the Stingray, but will check it out this weekend when I get a chance.

Thanks. If you learn anything please let me and the group know.


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[Greg]

My intrusion alarm is also hit or miss...with windows open, all it takes is reaching in, but with top off, it does not go off as far as I can tell....

Thanks for your info. That seems to be the way it is set to work.


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[glen e]

a simple way to get the intrusion alarm to work with the top off

There is a microswitch in the front alignment post that tells the alarm not to work with the top off. If you want it to wprk, A simple wall molly inserted in the front driver side alignment hole will close the switch and the alarm will be armed. This is a triple Grip #8 molly. It pulls right out with no damage or mod to the car:

 

[elegant]

This is now our cheapest mod yet. Is there any "downside" to doing it?

 

[rdslon01]

What happens if someone pulls the molly before reaching into the car? Does the alarm go off as soon as the molly is pulled?

 

[glen e]

I ll let somebody else figure out all the permutations of what can go wrong, it works the way I intend to use it.

if the molly is in and the system is armed, and you take it out, the system is not armed....nothing happens if you pull it out when armed...except it is not not armed...

 

[mjw930]

Porsche makes a clip for cabs and the Boxster to close the switch, GM is missing the opportunity to sell a 2 cent plug for $10

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