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Sonar (alarm) sensors - Standard feature?

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Old May 23, 2022 | 12:13 PM
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Question Sonar (alarm) sensors - Standard feature?

There are a couple of, what look like, alarm Sonar sensors up in the headlining, either side of the Auxiliary Lamp unit. Facing backwards into the interior.
Are these standard fitment on the Crossfire, as part of the factory alarm system, or not?

Aside from the Chrysler Keyfob (plus Spare) I have no other keyfobs (that might indicate an aftermarket alarm is installed). Plus wondering what these were.

 
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Old May 23, 2022 | 12:46 PM
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Default Re: Sonar (alarm) sensors - Standard feature?

A photo would be a big help.
 
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Old May 23, 2022 | 02:05 PM
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Default Re: Sonar (alarm) sensors - Standard feature?

Originally Posted by F4celess
There are a couple of, what look like, alarm Sonar sensors up in the headlining, either side of the Auxiliary Lamp unit. Facing backwards into the interior.
Are these standard fitment on the Crossfire, as part of the factory alarm system, or not?

Aside from the Chrysler Keyfob (plus Spare) I have no other keyfobs (that might indicate an aftermarket alarm is installed). Plus wondering what these were.
From what I recall the UK cars are fitted with interior sensors, they were mentioned way back when I was new here. The UK cars also have safety triangles to be put up behind the car in a breakdown or accident situation and a medical kit. I believe EU rules later dictated two triangles plus a fluorescent vest. These are good ideas I think, I have a triangle and the medical kit, both have a Mercedes part number on them. There are various triangle and medical kit part numbers. I have the ones with what I believe to be the the UK Mercedes part numbers plus the same set of items with other part numbers.

I asked once what cutouts were required in the rear trunk trim, sizes and location etc to attach the Velcro strip to, but I received unusable sizes that did not give some sizes so I gave up. They are in the trunk now under the mat. They never came with North American cars, the thought was that it was legally better to let someone die rather than get sued if you aided them and they died anyway.

These days people react very fast when they see an accident or someone in trouble, they get out their phone and record the scene and in some cases rob the victim, good Samaritans are harder to find these days. 🙄
 
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Old May 24, 2022 | 05:52 AM
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Default Re: Sonar (alarm) sensors - Standard feature?

Originally Posted by onehundred80
From what I recall the UK cars are fitted with interior sensors, they were mentioned way back when I was new here. The UK cars also have safety triangles to be put up behind the car in a breakdown or accident situation and a medical kit. I believe EU rules later dictated two triangles plus a fluorescent vest. These are good ideas I think, I have a triangle and the medical kit, both have a Mercedes part number on them. There are various triangle and medical kit part numbers. I have the ones with what I believe to be the the UK Mercedes part numbers plus the same set of items with other part numbers.

I asked once what cutouts were required in the rear trunk trim, sizes and location etc to attach the Velcro strip to, but I received unusable sizes that did not give some sizes so I gave up. They are in the trunk now under the mat. They never came with North American cars, the thought was that it was legally better to let someone die rather than get sued if you aided them and they died anyway.

These days people react very fast when they see an accident or someone in trouble, they get out their phone and record the scene and in some cases rob the victim, good Samaritans are harder to find these days. 🙄
Thank you for your comprehensive response onehundred80, much appreciated.
Therefore, it would be interesting if any other UK Crossfire owners can confirm they also have these 2 sonar sensors in the headlining, as I describe above. So we assume these are conntected to the factory alarm. Will get a few photos when I have an opportunity (ZERACER).

If you want (or are still interested in) any measurements, from the boot of our UK cars - that accommodatie the accessories you talk about, please let me know more details and I'll get these for you too. Will try to get a photo from here, for illustrative purposes?
 
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Old May 25, 2022 | 10:03 AM
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Default Re: Sonar (alarm) sensors - Standard feature?

Originally Posted by ZERACER
A photo would be a big help.
here you go….



 
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Old May 25, 2022 | 10:07 AM
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Default Re: Sonar (alarm) sensors - Standard feature?

Originally Posted by F4celess

….

If you want (or are still interested in) any measurements, from the boot of our UK cars - that accommodatie the accessories you talk about, please let me know more details and I'll get these for you too. Will try to get a photo from here, for illustrative purposes?
@ Onehundred80

Here’s a photo of the boot floor (European / UK car). All standard accessories and fitments…

Should you want any more specific details let me know.




 
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Old May 25, 2022 | 01:51 PM
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Default Re: Sonar (alarm) sensors - Standard feature?

That indentation in the rearmost panel is probably what is different between the US and BUX versions of the car.
 
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Old May 25, 2022 | 04:33 PM
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Default Re: Sonar (alarm) sensors - Standard feature?

Originally Posted by nemiro
That indentation in the rearmost panel is probably what is different between the US and BUX versions of the car.
I have a U.S. car and it has the indentation, it so deep that my extinguisher, which looks the same size as the one shown, is completely hidden when placed at the deepest part of the indentation.The one shown is sitting on the safety triangle and first aid kit and thus is on the sloped face which comes back to the face level of the ends.
You can see the red safety triangle case poking out from each end from under the fire extinguisher.
The black bands are strips of Velcro that hold the three items in place.add

@F4celess, it is a photo looking at this face from inside the trunk that I am after, any dimensions you can add would be very helpful.
Thank you for your efforts here and any help you can give me.
My extinguisher is just held down on the mat and it would be nice to have it handy like yours is.
Thanks again.
 

Last edited by onehundred80; May 25, 2022 at 04:46 PM.
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Old May 26, 2022 | 12:51 PM
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Default Re: Sonar (alarm) sensors - Standard feature?

Originally Posted by F4celess
here you go….




That looks aftermarket. Have you downloaded the factory service manuals yet to see if they are listed in their? If I were to guess, they actually look like cameras (I have never heard of them here in forum 'pictures or text' before today). IF they are 'speaker' cones, then I would suggest an 'ultrasonic' aftermarket system. Do they suction cup mount, any labels on them? Very interesting...


.
 
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Old May 26, 2022 | 01:11 PM
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Default Re: Sonar (alarm) sensors - Standard feature?

Hello GraphiteGhost - thank you for your input.

These 2 are stuck (tight) to the windscreen. They don't swivel or move at all.

Please ignore the thick lead you see that goes infront of the rear view mirror mount, that's coming from my Dashcam.

The wiring for these 2 (questionable) "sensors" must go up behind the roof lining, as there is no physical wiring I see coming out of them anywhere else.
Plus if they were for an aftermarket alarm system, when I bought the car, I got no extra documentation, or additional aftermarket alarm fobs, that would confirm that to be the case. The plot thickens!

Good point on the Service manual, I will look into that - if further details are mentioned on how the UK / European alarm system is integrated (if at all)...
No UK Crossfire owners have yet chimed in, to say if they also have these in theirs (or not).
 

Last edited by F4celess; May 26, 2022 at 01:24 PM.
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Old May 26, 2022 | 01:40 PM
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Default Re: Sonar (alarm) sensors - Standard feature?

Originally Posted by F4celess
Hello GraphiteGhost - thank you for your input.

These 2 are stuck (tight) to the windscreen. They don't swivel or move at all.

Please ignore the thick lead you see that goes infront of the rear view mirror mount, that's coming from my Dashcam.

The wiring for these 2 (questionable) "sensors" must go up behind the roof lining, as there is no physical wiring I see coming out of them anywhere else.
Plus if they were for an aftermarket alarm system, when I bought the car, I got no extra documentation, or additional aftermarket alarm fobs, that would confirm that to be the case. The plot thickens!

Good point on the Service manual, I will look into that - if further details are mentioned on how the UK / European alarm system is integrated (if at all)...
No UK Crossfire owners have yet chimed in, to say if they also have these in theirs (or not).


Ahhhh, another mystery!!! We MUST follow this endeavor, to the end! I can hardly wait for the solve... LOL


.
 
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Old May 26, 2022 | 05:29 PM
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Default Re: Sonar (alarm) sensors - Standard feature?

Originally Posted by F4celess
here you go….


Seek and thee shall find.
 
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Old May 26, 2022 | 06:06 PM
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ZERACER's Avatar
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Default Re: Sonar (alarm) sensors - Standard feature?

Would that be for detecting breaking glass?
 
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Old May 26, 2022 | 07:19 PM
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Default Re: Sonar (alarm) sensors - Standard feature?

Originally Posted by ZERACER
Would that be for detecting breaking glass?
If I remember correctly it detected movement inside the sensors surveillance coverage.
 
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Old May 27, 2022 | 04:56 AM
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Default Re: Sonar (alarm) sensors - Standard feature?

Originally Posted by onehundred80



@F4celess, it is a photo looking at this face from inside the trunk that I am after, any dimensions you can add would be very helpful.
Thank you for your efforts here and any help you can give me.
My extinguisher is just held down on the mat and it would be nice to have it handy like yours is.
Thanks again.
Here’s a couple of photos looking back at the rear face…
what measurements here would you like, specifically?






 

Last edited by F4celess; May 27, 2022 at 04:57 AM. Reason: Added photo
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Old May 27, 2022 | 10:41 AM
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Default Re: Sonar (alarm) sensors - Standard feature?

Originally Posted by F4celess
Here’s a couple of photos looking back at the rear face…
what measurements here would you like, specifically?
First of all thanks for helping me out, I appreciate it.
Would I be correct in assuming that you have replaced the first aid kit with the fire extinguisher? Also what is that black plastic item on top of the triangle on the right hand side?
Finally, a photo without the items in place, showing the pattern of the holes where the Velcro goes through would be a great help, then I could estimate their positions as it might be tricky for you to measure them.
As I have the kit and the triangle already and would like to have them stowed neatly as the UK ones are. My guess is that the first aid kit is a bit old now.
I have a newer kit made by someone else somewhere.
Thanks again for your help.
 
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Old May 29, 2022 | 09:43 AM
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nemiro's Avatar
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Default Re: Sonar (alarm) sensors - Standard feature?

The sensors are used for intrusion detection and AFAIK were a European insurance requirement, much how the transponder keys were originally a US insurance requirement.
 
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Old May 30, 2022 | 05:15 AM
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Default Re: Sonar (alarm) sensors - Standard feature?

Originally Posted by nemiro
The sensors are used for intrusion detection and AFAIK were a European insurance requirement, much how the transponder keys were originally a US insurance requirement.
Thank you for clearing that up! Appreciated.
 
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Old May 30, 2022 | 05:20 AM
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Default Re: Sonar (alarm) sensors - Standard feature?

Originally Posted by onehundred80
First of all thanks for helping me out, I appreciate it.
Would I be correct in assuming that you have replaced the first aid kit with the fire extinguisher? Also what is that black plastic item on top of the triangle on the right hand side?
Finally, a photo without the items in place, showing the pattern of the holes where the Velcro goes through would be a great help, then I could estimate their positions as it might be tricky for you to measure them.
As I have the kit and the triangle already and would like to have them stowed neatly as the UK ones are. My guess is that the first aid kit is a bit old now.
I have a newer kit made by someone else somewhere.
Thanks again for your help.
The fire extinguisher has always been in the car, during my ownership. Which looks "standard" considering there is also the Black bracket (pictured) that secures the head of the extinguiser in place (as well as the velcro for the cylinder).
The small black bracket to the right looks like something else clipped in there. But is not there now.

Do still plan on getting that photo for you, with these items removed, showing velcro/bracket positioning (will upload soon)......
 
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Old May 30, 2022 | 09:57 AM
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Default Re: Sonar (alarm) sensors - Standard feature?

Originally Posted by F4celess
The fire extinguisher has always been in the car, during my ownership. Which looks "standard" considering there is also the Black bracket (pictured) that secures the head of the extinguiser in place (as well as the velcro for the cylinder).
The small black bracket to the right looks like something else clipped in there. But is not there now.

Do still plan on getting that photo for you, with these items removed, showing velcro/bracket positioning (will upload soon)......
Thanks for the answers, I appreciate them, one last request please though, can you show a photo with the items removed?
Thanks.
 
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