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Old 05-06-2019   #1
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Angry Forward collision warning

Hi, I have a brand new 2018 Fiat 500x and I am having a problem with the FCW. The dealer said it is fine but I say it isn't working properly. Mine has Full speed forward collision warning Plus. everything I read says this will stop the car if the driver doesn't respond. The dealer said no it only gives an audible warning. Does anyone know the true answer? thanks
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Old 05-06-2019   #2
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Re: Forward collision warning

I've got a 500x with forward collision warning. In my case, it fully engages the brakes and completely stops the car.

There is configuration option accessed via the LCD screen, which allows me to set the sensitivity of the system. I've set it to the most sensitive setting.

The force of the automatic braking is enormous, I was quite surprised by how incredibly fast it responded to a difficult situation, like when a child jumped in front of the car.

On the down side, if the car behind me isn't equipped with the same technology, then it will probably rear end me.


Maybe this system is not available in your country due to local laws?
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Old 07-06-2019   #3
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Re: Forward collision warning

Thanks for your reply. My car is supposed to do exactly what you describe but it doesn't. I have been fighting with the dealer about it. They tell me it isn't supposed to stop the car.
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Old 07-06-2019   #4
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Re: Forward collision warning

Better to be rear ended than kill a child I guess.
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Old 07-06-2019   #5
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Re: Forward collision warning

Quote Originally Posted by Mmillard View Post
Thanks for your reply. My car is supposed to do exactly what you describe but it doesn't. I have been fighting with the dealer about it. They tell me it isn't supposed to stop the car.


Try asking a different dealer or Fiat Customer Services. I don't have that system but my understanding has always been that it is supposed to slow/stop the car if you don't
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Old 07-06-2019   #6
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Re: Forward collision warning

Quote Originally Posted by Mmillard View Post
Thanks for your reply. My car is supposed to do exactly what you describe but it doesn't. I have been fighting with the dealer about it. They tell me it isn't supposed to stop the car.


This video seems to answer your query

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Old 08-06-2019   #7
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Re: Forward collision warning

I have been to 2 dealers and I am working with customer service at this time. I tell them
that all the advertisements and the owners manual clearly say it will stop the car but they tell me no it doesn't. I said if that's true then we have a false advertising issue now. It's so frustrating. I Just can't get them to understand.
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Last edited by Mmillard; 08-06-2019 at 01:25.
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Old 08-06-2019   #8
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Re: Forward collision warning

The video above seems to totally repeat what you describe as happening with your car. Maybe the clue is in the name Forward Collision WARNING rather than Prevention or Avoidance etc.
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Old 08-06-2019   #9
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Re: Forward collision warning

Interesting thread, whilst I don’t own a 500x anymore to check, it did have FCW.
If you’d have asked me I would have said it would bring the car to a halt, but thinking about it, all I got was a audible tone followed by a jolt from the brakes. If an obstacle was in the way I would have been applying the brakes myself at that point so would have stopped anyway.
On a couple of occasions the system thought I was going to hit something, like a parked car and it would stamp on the brakes, but then release them. As a driver, my reaction was to be on the brakes at that point wondering what the hell was going on.

I need to check my current car (Volvo) to see what it does. The thing is of course that if you’re paying attention, as you should be, you’d take over control anyway and the car would work with you to assist in stopping as quickly as possible.
It would be a very brave driver who wouldn’t jump in and stamp on the brakes when something appears in front of you.

Only way to be sure would be to find a brick wall and drive at it and see what happens. Make sure you video it so you can put it on YouTube though as I wouldn’t trust it to work. All these things are aids for the driver and should never be considered a fail safe. Look in the manual and there will be lots of get out clauses.
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Old 09-06-2019   #10
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Re: Forward collision warning

There are 3 different levels FCW on the Fiat. Mine is:

Full-speed Forward Collision Warning-Plus: Radar and camera technology combine to determine if frontal impact with another vehicle appears imminent; if so, system pre-fills brakes, then transmits audible and visual warnings for driver to intervene; no driver response triggers brief brake application as tactile alert; if driver remains unresponsive and frontal collision risk remains, brakes are applied to slow vehicle before impact; system may bring vehicle to full stop if imminent frontal collision detected at speeds below 25 mph

I certainly wouldn't complete rely on it but I paid for it so I want it to work.
I Keep pointing this out to the Dealer and Fiat customer service and they keep telling me the breaks are not supposed to activate..Hello it's here in black and white and from FCA website.
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Old 09-06-2019   #11
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Re: Forward collision warning

If it doesn't trigger the brakes then I'd say you were correct and Fiat need to sort it out.
On mine, if it detected something it would really bang on the brakes.
Never sure if it actually brought you to a stop, but it definitely didn't just beep.
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Old 4 Weeks Ago   #12
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Re: Forward collision warning

In the settings menu I can choose :
Sound+Brake
Brake
Off

I put it to sound + brake and it makes first the sound, later if you don't react it brakes.
I already had many time the sound (if you chose Far); 1 time it has brake.
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Old 3 Weeks Ago   #13
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Re: Forward collision warning

Mine doesn't do anything and the dealer said until it throws a code they consider it to be working.
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Old 3 Weeks Ago   #14
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Re: Forward collision warning

Quote Originally Posted by Mmillard View Post
Mine doesn't do anything and the dealer said until it throws a code they consider it to be working.


That's just a lazy dealer. I had an engine problem that didn't show a fault code. Turned out be a duff sensor. The computer sensed that the sensor was working so didn't show a fault, but the sensor was sending the wrong info. Changed the sensor, problem went away, but it didn't ever show a fault code.
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Old 2 Weeks Ago   #15
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Re: Forward collision warning

I've told my story on here before, insofar that I bought a 500x and only a day later found it had the safety pack installed. What a lovely surprise.

I think mine works, ive heard the audible beep a few times, but once on the motorway in the fast lane it beeped when a car suddenly slowed down and stopped in front of me, and although I braked in response it felt as though the car applied extra braking above and beyond my input. Good job it did because i was only a few feet behind the car in front when i came to a stop.
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