PRE COLLISION ASSIST

Discussion in 'General Ford Ranger Discussions' started by MrEd8a, May 31, 2019.

  1. MrEd8a

    MrEd8a Member

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    Okay so I set it up everything is on however I do not see it working, I have approced vehicles close enough to make it sound or the screen go red and nothing is happening, I checked the front of the car and nothing is blocking it either, I am about to take it to the dealer to see what the hell is wrong, everything else works fin lane changing assist , back up monitors camera etc except for the collision assist
     
  2. RedlandRanger

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    The warning is the first step. I'm not sure how close you need to be in order to activate the "Active Braking' (what I think you are expecting), but I'm guessing it has to be reasonably close. I would assume you haven't gotten to phase three. Here is the description from the manual:

    If your vehicle is rapidly approaching
    another stationary vehicle, a vehicle
    traveling in the same direction as yours, or
    a pedestrian within your driving path, the
    system provides three levels of
    functionality:

    1. Alert
    2. Brake Support
    3. Active Braking
    Alert: When active, the system provides a
    flashing visual warning and an audible
    warning sound.
    Brake Support: Assists the driver in
    reducing collision speed by preparing the
    brake system for rapid braking. Brake
    support does not automatically activate
    the brakes, but if the driver presses the
    brake pedal even lightly, brake support
    could add additional braking up to full
    force.
    Active Braking: Active braking may
    activate if the system determines that a
    collision is imminent. The system may help
    the driver reduce impact damage or avoid
    the crash completely.
     
  3. Lrtexasman

    Lrtexasman Well-Known Member

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    Subaru dealer by me uses an orange construction cone for demo. Find one and try it. Won’t hurt anything if it doesn’t work.
     
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  4. DHare

    DHare Well-Known Member

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    The key may be the "rapidly approaching" requirement. If the truck doesn't sense that you are traveling at speed, then the system may not kick in as it assumes you are merely parking.
     
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  5. RedlandRanger

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    That is a great idea. I'd kind of like to see the system in action honestly.
     
  6. SubVet

    SubVet Well-Known Member

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    THIS....

    You have to be traveling at a speed such that the Radar and Speed indicates a collision is imminent.

    Most of the time you will get false readings when a vehicle in front of you turns and you approach at speed.

    If you really want to test it you will have to have an ass pucker moment approaching a vehicle in front. If you have an XLT you will see a row of LEDS flash on the dash as a test before you start moving.
     
  7. MrEd8a

    MrEd8a Member

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    Actually today I had a great instance where it should have warned me or lighted up or braked, I had a car cut right in front of me in Traffic, I am taking the vehicle on monday to the dealer, I do remember the first or second day i got the vehicle I did see a red flash warning on the screen but that was about it never again
     
  8. RedlandRanger

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    That all makes sense. Why I like the idea of testing it with an orange code. If something doesn't work right, you'll just run over the cone - no harm.
     
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  9. VAMike

    VAMike Well-Known Member

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    Will nobody think of the cone⁉️ :surprised:
     
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  10. MT19RANGER

    MT19RANGER Well-Known Member

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    Actually, I was thinking about line up a bunch of cones at work since when I ask my employees to walk out in front of me and no one volunteers. :cool:
     
  11. Jeffrey

    Jeffrey Active Member

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    A week after I picked up Ranger someone decided to slam on brakes at green light and turn right. I swerved around just barely missing a collision, no alerts whatsoever, took it in for service and they told me nothing was wrong. I’m hopeful that I won’t need collision assistance in the future.
    Jeff
     
  12. Glenn Cudmore

    Glenn Cudmore New Member

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    Had similar issue and also noticed that adaptive cruise control wasn't detecting cars in front of me. Dealer eventually figured out that the license plate bracket had been installed upside down causing the plate to be mounted low and the sensor near the lower part of the grill was blocked. Now it works great
     
  13. Jeffrey

    Jeffrey Active Member

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    Same thing with adaptive cruise for me, no front plates required in Florida, again dealer tells me all is well.

    Jeff
     
  14. Jeffrey

    Jeffrey Active Member

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    Wonder how I’m to know if it will work? I read another post that said to use an orange cone.

    Jeff
     
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  15. EcoRanger

    EcoRanger Well-Known Member

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    Mine has worked a couple of times the last time I wasn't close to anything but it was a rainy foggy morning so the bad weather conditions fooled it.
     
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