Adding lane change/blind spot assist to '14 Expedition limited

jkayca said:

I have the BLIS system in '17 and find it almost useless. I light will illuminate in the side mirror indicating a car is in your blind spot. Unfortunately I have a lot of false positives in winter thanks to the large snow banks along the roads. Even in summer I get false positives for one reason or another. I don't rely on it and do shoulder checks regardless of what the light says.

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@jkayca, I know this post is old but I just recently added BLIS to my 16 Limited EL and since a retrofit I'm wondering if I got the programming right on this thing based on how the BLIS behavior. I get a lot, I mean ridiculous amount of False positives. And it lights up for park cars and inbound traffic in narrow 2-way roads.

Wanted to confirm if that's normal behavior for the Expedition Blindspot or do i need to look over the programming again ?

Thanks

TXFRDOwner said:

@jkayca, I know this post is old but I just recently added BLIS to my 16 Limited EL and since a retrofit I'm wondering if I got the programming right on this thing based on how the BLIS behavior. I get a lot, I mean ridiculous amount of False positives. And it lights up for park cars and inbound traffic in narrow 2-way roads.

Wanted to confirm if that's normal behavior for the Expedition Blindspot or do i need to look over the programming again ?

Thanks

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In my experience that's the norm for all blindspot monitors. The one on my wife's Mazda would trigger with tall weeds. I borrowed my mom's 2021 Nissan Rogue and it's the same thing.

ManUpOrShutUp said:

In my experience that's the norm for all blindspot monitors. The one on my wife's Mazda would trigger with tall weeds. I borrowed my mom's 2021 Nissan Rogue and it's the same thing.

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They’re much better in my 16 F150 and 19 Fusion. No false positives whatsoever. But they’re also programmed differently.


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CyberVinnie said:

Most people adjust their side view mirrors incorrectly; they adjust them so they can see down the side of their car. Most of the area they see in their side view mirrors is viewable in their primary, rear view mirror.

Side view mirrors should be adjusted so that you can see a portion of a car when it’s front bumper is about just behind your peripheral side vision. If you can’t see it in the side view mirror, then you should see it in your peripheral vision.

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Vinnie has it right. Look up "SAE Mirror Adjustment" for the right was to set side mirrors. Takes getting used to, but it prevents blind spot accidents. It was beaten into me in emergency driver training.

TXFRDOwner said:

@jkayca, I know this post is old but I just recently added BLIS to my 16 Limited EL and since a retrofit I'm wondering if I got the programming right on this thing based on how the BLIS behavior. I get a lot, I mean ridiculous amount of False positives. And it lights up for park cars and inbound traffic in narrow 2-way roads.

Wanted to confirm if that's normal behavior for the Expedition Blindspot or do i need to look over the programming again ?

Thanks

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Sounds pretty much how my system behaves.

jkayca said:

Sounds pretty much how my system behaves.

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Thanks for confirming. Because the thought of it not being properly programmed was driving me nuts. Lol

So all the blame goes to Ford ... as usual [emoji1787]

Strangely enough, I also did a BLIS retrofit in my 2013 Fusion (before I sold it), and they did not behave in this manner at all. The BLIS modules only detected moving vehicles that were in my blind spot and only when I was moving forward.

The modules for the fusion were the same as the ones I installed in the Expedition, in terms of shape and size but the programming, part numbers and firmwares are different. The difference in behavior must be related to the vehicle architecture type (CGEA, C1MCA, etc).

Thanks Ford !!! [emoji3166]


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