Turning off Speed Sign Recognition while using Blue Cruise

KennyCaphill

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Can the speed sign recognition be turned off while using Blue Cruise?

We have variable speed signs here on the interstate that no one pays attention to. I was cruising along at 65mph when it read the speed sign showing 45 and the person behind me damn near rear ended me!
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Kamuelaflyer

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Look under the driver assistance settings.
 

GroovyMachE

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Yes. It’s under adaptive cruise control setting under the predictive one. Unfortunately it’s tied to automatically slowing the car through a curve which is very useful. Ford really should have the speed sign portion as a sub option in the predictive feature.

This automatically adjusting for speed signs feature is dangerous in my opinion because it doesn’t account for how people in general drive. If everyone is going 75-80 in a 65 and then suddenly there is a small 55 zone, everyone will still be going 75-80 yet your car will, in effect, slam on the brakes to reduce speed from 75ish to 55 while everyone else around you is still going 75ish. Hopefully no one is following you closely when it happens. Then there is the whole distraction of “what is going on with my car ?! Why is it doing this ?! How can I fix it ?!” That goes on when this happens. It’s not elegant.

There seems to be multiple portions of the 15 and the 215 in SoCal where this speed sign change happens. It’s almost like the blue cruise map has missing speed sign information for multiple sections for a mile or two and defaults to 55. (The corridor is basically 65 or 70). I’ve looked and can’t find a 55 sign. It’s annoying. First trip through here with the car I had the predictive speed on and it was so frustrating because the car would just suddenly brake when you hit one of these short 55 zones. Second trip without it was so smooth and felt great and proper. Unfortunately for curves you have to essentially find another car to follow so the adaptive cruise will slow the car to keep distance between you and the car you’re following to safely navigate the curve. (Assuming they slow to safely navigate that is)
 

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Yes. It’s under adaptive cruise control setting under the predictive one. Unfortunately it’s tied to automatically slowing the car through a curve which is very useful. Ford really should have the speed sign portion as a sub option in the predictive feature.

This automatically adjusting for speed signs feature is dangerous in my opinion because it doesn’t account for how people in general drive. If everyone is going 75-80 in a 65 and then suddenly there is a small 55 zone, everyone will still be going 75-80 yet your car will, in effect, slam on the brakes to reduce speed from 75ish to 55 while everyone else around you is still going 75ish. Hopefully no one is following you closely when it happens. Then there is the whole distraction of “what is going on with my car ?! Why is it doing this ?! How can I fix it ?!” That goes on when this happens. It’s not elegant.

There seems to be multiple portions of the 15 and the 215 in SoCal where this speed sign change happens. It’s almost like the blue cruise map has missing speed sign information for multiple sections for a mile or two and defaults to 55. (The corridor is basically 65 or 70). I’ve looked and can’t find a 55 sign. It’s annoying. First trip through here with the car I had the predictive speed on and it was so frustrating because the car would just suddenly brake when you hit one of these short 55 zones. Second trip without it was so smooth and felt great and proper. Unfortunately for curves you have to essentially find another car to follow so the adaptive cruise will slow the car to keep distance between you and the car you’re following to safely navigate the curve. (Assuming they slow to safely navigate that is)
1) The system uses signs AND a database.

2) You can set it for X miles over, so it won't slow to 55 if you don't want it to...
 


GroovyMachE

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#2 is the other speed sign option not the one OP is talking about. There is no such X over under predictive cruise control. Unless you’re referring to using them in concert. Such as saying to always be 20 miles over posted speed limit AND have a predictive speed control on. Note that cruise control by default has a set speed (you set it) I have the other speed sign control feature turned off. I can investigate that one on the next trip (which won’t happen for a long while). But using these two features together seems like a recipe for more problems. What happens when you have 20 miles over set and the predictive turned on? Do you slow below your cruise speed through the curve or does the algorithm say “ you told me to always be above 20 mph but I need to change the speed to be less than your cruise speed to make the curve. But that’s less than 20 mph above so I’ll just do 20 miles above. “(Which wouldn’t be correct) I would hope one wins over the other but who knows. I mean, honestly, I hope the two together is the correct play here because the speed change thing is annoying but the curve navigation is excellent. (Im specifically talking about the large curve on the 111 outside Palm Springs Ca)

#1 is not relevant to the discussion. We don’t have any control in where the information is coming from nor are we notified or can be notified that a new speed zone is coming up to try to compensate for the change. The post was made with real world experience. It actually does these things regardless of how or where it gets the information it works on. There actually aren’t new speed signs I these areas. I’ve looked. Also they are incredibly short portions of the highway relatively speaking. (Not construction zones either)
 

Mike G

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Yes. It’s under adaptive cruise control setting under the predictive one. Unfortunately it’s tied to automatically slowing the car through a curve which is very useful. Ford really should have the speed sign portion as a sub option in the predictive feature.

This automatically adjusting for speed signs feature is dangerous in my opinion because it doesn’t account for how people in general drive. If everyone is going 75-80 in a 65 and then suddenly there is a small 55 zone, everyone will still be going 75-80 yet your car will, in effect, slam on the brakes to reduce speed from 75ish to 55 while everyone else around you is still going 75ish. Hopefully no one is following you closely when it happens. Then there is the whole distraction of “what is going on with my car ?! Why is it doing this ?! How can I fix it ?!” That goes on when this happens. It’s not elegant.

There seems to be multiple portions of the 15 and the 215 in SoCal where this speed sign change happens. It’s almost like the blue cruise map has missing speed sign information for multiple sections for a mile or two and defaults to 55. (The corridor is basically 65 or 70). I’ve looked and can’t find a 55 sign. It’s annoying. First trip through here with the car I had the predictive speed on and it was so frustrating because the car would just suddenly brake when you hit one of these short 55 zones. Second trip without it was so smooth and felt great and proper. Unfortunately for curves you have to essentially find another car to follow so the adaptive cruise will slow the car to keep distance between you and the car you’re following to safely navigate the curve. (Assuming they slow to safely navigate that is)
For cars with BC 1.0 it's only called Speed Sign Recognition. The Predictive setting (that includes speed sign recognition) is only for BC 1.2 cars.
 

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I’m having the same problem. Just got my car Nov 10th. I turned off speed recognition and the speed warning. Still doing it. Such a non useful feature especially when it slams on the breaks nearly causing an accident!!
How do I fix it?
 

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I’m having the same problem. Just got my car Nov 10th. I turned off speed recognition and the speed warning. Still doing it. Such a non useful feature especially when it slams on the breaks nearly causing an accident!!
How do I fix it?
Brakes...

Make sure it is turned off in each profile.
 

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2) You can set it for X miles over, so it won't slow to 55 if you don't want it to...
Not sure if you’ve never used this or what.. A hard offset doesn’t fix the problem. It will still slow down abruptly as @GroovyMachE mentioned from 65+offset to 55+offset, with the car feeling like it slammed on the brakes.

Go ahead and try setting it to a set amount over anyway as well. What also happens is you’re in a 45 entering a freeway that’s 65 and your car immediately goes into jet propulsion mode as it slams the accelerator to get to 75mph. Whatever PIDs they’re using are extremely crude and not tuned at all.
 

RickMachE

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Not sure if you’ve never used this or what.. A hard offset doesn’t fix the problem. It will still slow down abruptly as @GroovyMachE mentioned from 65+offset to 55+offset, with the car feeling like it slammed on the brakes.

Go ahead and try setting it to a set amount over anyway as well. What also happens is you’re in a 45 entering a freeway that’s 65 and your car immediately goes into jet propulsion mode as it slams the accelerator to get to 75mph. Whatever PIDs they’re using are extremely crude and not tuned at all.
I have 25,000 Mach-E miles. I know exactly how it works. If your foot is over the accelerator and brake, like it should be, you simply touch the pedal and maintain your speed (or brake if you need to). Or turn off Cruise with your hand on the wheel.

People need to have situational awareness. When you drive, as you approach a visible construction area, you should know it's going to have a lower speed limit, and the car is going to react. If you're on an on ramp, you shouldn't have cruise on...

I just finished at 4,700 mile trip, using BlueCruise everywhere possible. My setting is 3 miles over. My wife has it turned off.
 
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dj_stang

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I have 25,000 Mach-E miles. I know exactly how it works. If your foot is over the accelerator and brake, like it should be, you simply touch the pedal and maintain your speed (or brake if you need to). Or turn off Cruise with your hand on the wheel.

People need to have situational awareness. When you drive, as you approach a visible construction area, you should know it's going to have a lower speed limit, and the car is going to react. If you're on an on ramp, you shouldn't have cruise on...
So your initial suggestion of using an offset isn’t a solution, the solution is to just cancel cruise control whenever your car sees a speed sign, got it :).

I think a better solution is to turn off predictive speed assist and wait until Ford fixes this, because what you’re doing doesn’t sound like cruising at all. I can confirm on both of my MachEs how irritating, uncomfortable, and dangerous (in the case where the speed limit reduces on a highway and you’re the only car in the flow of traffic to brake check everyone behind you), it is to have speed sign recognition later changed to predictive speed assist on.
 

RickMachE

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So your initial suggestion of using an offset isn’t a solution, the solution is to just cancel cruise control whenever your car sees a speed sign, got it :).

I think a better solution is to turn off predictive speed assist and wait until Ford fixes this, because what you’re doing doesn’t sound like cruising at all. I can confirm on both of my MachEs how irritating, uncomfortable, and dangerous (in the case where the speed limit reduces on a highway and you’re the only car in the flow of traffic to brake check everyone behind you), it is to have speed sign recognition later changed to predictive speed assist on.
As you clearly know, I did not say that. I said a driver needs situational awareness, and to always be ready to act. If they don't like the surge in speed, they can cancel with the brake, or the button. If they don't like the braking, they can simply accelerate, and reset the speed.

I use it on both the Mach-E and the Lightning.

The biggest issue with this and other features is quite simply people who don't go through all the features in the vehicle and learn them BEFORE USING THEM, and not reading the manual. Then they go "OMG, my car is possessed, it does ____".

The most recent post, where they turned off the feature, means they didn't turn it off in all profiles. Features don't work when turned off.
 

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Brakes...

Make sure it is turned off in each profile.
Yes thanks for the spelling lesson but your answer is also not helpful. I only have 1 profile. What I read is that you also need to turn off predictive speed. That's just ridiculous. It should be separated out. Predictive speed good. Immediately slowing down to 45mph when going 65mph is dangerous. At least if they are going to have a feature like this it should be gradual, not so quick that the driver behind you is in danger or rear-ending you. I found the tolerance scale and it put it to 20mph. Hopefully that helps.
 

RickMachE

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Yes thanks for the spelling lesson but your answer is also not helpful. I only have 1 profile. What I read is that you also need to turn off predictive speed. That's just ridiculous. It should be separated out. Predictive speed good. Immediately slowing down to 45mph when going 65mph is dangerous. At least if they are going to have a feature like this it should be gradual, not so quick that the driver behind you is in danger or rear-ending you. I found the tolerance scale and it put it to 20mph. Hopefully that helps.
So now, when you enter a 70mph zone, your car is going to accelerate to 90mph.
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