2019 Forward Collision Warning- Is there any AEB?

[old8tora]

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Why doesn’t the US description say active braking then? Something tells me it’s not there. I’d love to find out also. I ordered a 2018 because I thought it was no big deal having only a warning chime but AEB is something I’d want.

You want to go slower and stop in time ; that's what you want . Never tailgate , give space to motorcycles , bicycles , women pushing strollers , never pass , and go slow and then go slower . Be safer than safe .

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[LLRubylady]

You want to go slower and stop in time ; that's what you want . Never tailgate , give space to motorcycles , bicycles , women pushing strollers , never pass , and go slow and then go slower . Be safer than safe .

Good to have but not necessary for those of us who have been driving a long time. My son's Kia Sportage (Great little suv by the way) has it and every other safety feature you can think of, which I insisted on being a newly licensed 17 year old.
I agree keep a safe distance and don't check email/texts while driving.

 

[Capt-Zoom]

Wonder if the breaking feature can be disabled.

 

[Akbill]

The limited features of this ACC/FCW option, along with reliability concerns, helps me with the decision of keeping my 2018 build (which just left Toledo) vs cancelling and going for the 2019. I will likely stick with the 2018.

 

[JayD1056]

OK, I got the word from my high volume dealer Kent Shurlief at Peterson Jeep in Nampa Idaho. (Kent is great to work with and will get you a good deal on a jeep).
He says that the adaptive CC will bring you to a full stop and will resume if car in fron moves in less than 2 seconds (like some other jeep models); He says the FCW will apply brakes but ONLY up to 30% of full braking, it will not make an emergency stop automatically, but it does get you a head start and certainly will get your attention. He advises that it may be a maintenance cost problem after the warranty is out, especially if doing much off roading.

Not quite accurate. Full Speed ACC will apply a maximum deceleration in the neighborhood or 3 to 5 m/s^2 depending on OEM and who they source their Sensor Systems from, etc etc. Where 10 m/s^2 or about 1G is about the limit of the vehicle. I'm guessing the JL in full ABS control is in the neighborhood of 9m/s^2. 3 to 5 m/s^2 is chosen as the max limit since it's at the very high end of the comfort braking range. After this range you should probably be driving the vehicle anyway. This feature must be enabled by the driver.

The Forward Collision Avoidance (FCW+ i think is Chrysler Lingo) can apply a wide variation of deceleration's and combinations autonomously depending vastly on what is actually detected and how fast the vehicle is traveling, and what type of quality is determined from the sensors. For medium quality object detection in emergency situations 4-5 m/s^w is typical, for high confidence you can be up to 8m/s^2 and for very high confidence the maximum possible limit of the vehicle can be reached. Typically the system to be able to request the highest confidence level needs to have 2 independent sensors verify the object. This system is running all the time but CAN be disabled by the driver.

If i'm correct on guessing which system Chrysler actually sourced for the JL I think they can have this performance and I don't see why they would put a less capable system in the JL than they have in their other vehicles for multiple years now. (See Cherokee, Grand Cherokee, Charger, 300 for example all have this similar performance)

also I don't work Chrysler and all of these numbers are typical industry numbers so they could vary.

 

[JayD1056]

The limited features of this ACC/FCW option, along with reliability concerns, helps me with the decision of keeping my 2018 build (which just left Toledo) vs cancelling and going for the 2019. I will likely stick with the 2018.

Similar for me, Decided to give them 1 or 2 model years for refinement and i'll be trading in my '18 for a '20 or '21 depending when they do a mid model refresh. I'm guessing with the hybrid power train will bring some extras so right after that model year might be the sweet spot for a trade in.

 

[tyresmoker]

Good to have but not necessary for those of us who have been driving a long time. My son's Kia Sportage (Great little suv by the way) has it and every other safety feature you can think of, which I insisted on being a newly licensed 17 year old.
I agree keep a safe distance and don't check email/texts while driving.

Completely disagree. I too have been driving for a long time and WELCOME the feature. I had it in my '11 Summit and have it in my '17 SRT. We included it in our '19 Sahara we have on order. It works. Period.

 

[LLRubylady]

Completely disagree. I too have been driving for a long time and WELCOME the feature. I had it in my '11 Summit and have it in my '17 SRT. We included it in our '19 Sahara we have on order. It works. Period.

It’s a good feature yes. Did your dealer tell you if it does indeed apply the brakes? That part is unclear

 

[tyresmoker]

Did your dealer tell you if it dies indeed apply the brakes? That part is unclear

My assumption is that it does, as it seems to be the same technology that is used in the ACC.

 

[Jeepsterfreak]

The limited features of this ACC/FCW option, along with reliability concerns, helps me with the decision of keeping my 2018 build (which just left Toledo) vs cancelling and going for the 2019. I will likely stick with the 2018.

It’s an optional package (Advanced Safety Group), not standard for 2019.

There will be two different safety groups available.

Active Safety Group
Advanced Safety Group

They do not overlap features.

 

[spurly]

It’s an optional package (Advanced Safety Group), not standard for 2019.

There will be two different safety groups available.

Active Safety Group
Advanced Safety Group

They do not overlap features.

So what are the differences between the active and advance on the 2019?

 

[Jeepsterfreak]

So what are the differences between the active and advance on the 2019?

Active: Park Sense, Blind Spot, LED tail lights. Same as 2018.

Advanced: Adaptive Cruise Control and Foward Collision Warning. New for 2019.

 

[Yammyhaha]

The way I look at it is anything that helps prevent an accident is welcome. Sure, it can be an annoying intrusion at times, but there can be that one time that it saves your butt and maybe someone's life. I am always diligent when driving and my wife is an excellent copilot when she is with me, but there could be just that one time where Murphy's Law takes over. At that time another watchful eye can't hurt. I ordered it with my wife's new Moab.

 

[Jeepsterfreak]

The way I look at it is anything that helps prevent an accident is welcome. Sure, it can be an annoying intrusion at times, but there can be that one time that it saves your butt and maybe someone's life. I am always diligent when driving and my wife is an excellent copilot when she is with me, but there could be just that one time where Murphy's Law takes over. At that time another watchful eye can't hurt. I ordered it with my wife's new Moab.

I welcome it also. We have it on our Toyota RAV4 (standard equipment). It can be turned off. My biggest complaint is the real estate it takes up on the windshield. It does obstruct your view slightly.

It will be interesting to see where Jeep places the radar. In the RAV4 the radar is built into the front logo emblem and the camera is above the rear view mirror. The RAV4 also has the lane assist which uses a camera. Not sure if the Jeep’s ACC and FCW use both radar and camera or just a radar.

 

[Akbill]

It’s a good feature yes. Did your dealer tell you if it does indeed apply the brakes? That part is unclear

“He says that the adaptive CC will bring you to a full stop and will resume if car in front moves in less than 2 seconds (like some other jeep models); He says the FCW will apply brakes but ONLY up to 30% of full braking, it will not make an emergency stop automatically”

So, yes.

here is a video explaining FCW in a 2016 jeep, no braking function:


Here is an FCA document on various safety features which suggests that without the "plus" after FCW, it might not brake.
http://media.fcanorthamerica.com/newsrelease.do?id=18450&mid=
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

FCW+ is also described here, but differently:
http://www.wk2jeeps.com/wk2_Forward_Collision_Warning.htm
The Forward Collision Warning Plus (FCW+) system with mitigation provides the driver with audible warnings, visual warnings (within the EVIC), and may apply a brake jerk to warn the driver when it detects a potential frontal collision. The warnings and limited braking are intended to provide the driver with enough time to react, avoid or mitigate the potential collision. The minimum speed for FCW activation is 5 mph (10 km/h).

Forward Collision Warning: Radar determines if a frontal impact with another vehicle appears imminent; if so, system pre-fills brakes, then transmits audible and visual warnings for driver to intervene

This sounds like the "30% braking", but why wouldn't the adv. saf. grp. include this ABS descriptor?
Advance Brake Assist: Works with Full-speed Forward Collision Warning-Plus; increases deceleration if driver does not apply brake with sufficient force to respond to collision condition

here is a good summary article about various FCW with or without collision avoidance with some statistics. Easy reading:
https://wtop.com/consumer-news/2016/08/aaa-tests-not-self-braking-cars-designed-stop/

So, who knows for sure what this advanced safety group will really do until we see the the owners manual or get info from an FCA engineer........

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