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I’ve got a 2019 Kona SEL. With about 25,000miles (purchased 2018) everything was great until I started hitting about 20k.
basically I drive 45 minutes to work all highway and a little city so there is always cars around, and I’ll be driving and an alert will pop up on my screen saying that the blind spot warning has failed. And turned off. At my last car service I asked them to look over the system to see if they found any flaws, which they didn’t. the technician made me aware that if you drive for a longer period of time 10 minutes like night driving without cars it will turn off and I was like okay well what about in the middle of rush hour cause it does! He said he would let Hyundai know about the issue to see if there is others like it. However besides it turning off in traffic, I could be driving along day or night when I know no one happens to be around at the time and go to change lanes and it will beep like there is a car in my blind spot.... anyone else having issues?
 

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Hi,
I am in South Africa, and have a Kona 1.0 Manual, 2019 model (purchased Feb 2019). My personal experience, i do not have an issue where my Blind Spot sensors switch off automatically when there is no cars/traffic on the road for any period of time...first time i have heard of this, not sure if it is maybe market/region specific. With regards to them letting Hyundai know, i would suggest that you would need to sit on the dealerships head querying for feedback and perhaps even requesting a reference number for your issue for tracking purposes. Here in SA, they have a dealer network portal where they post their issues that all dealerships in the country can see, including the technical department at the local head office to provide troubleshooting tips or solutions if they have come across this previously, i am sure it should be the same there.

I have also had experience with the phantom sensor warnings of cars in the next lane, though i am alone on the road. I reported this to Hyundai on my last service, and then basically changed the sensitivity of the sensor and re-calibrated the sensors for me as well. I have not noticed it happening as much as it used to before, i will need to monitor this further when i do get a chance - (we are currently in a national lock down here). I basically made mention to them of phantom sensing when there are no other cars on the road and that is all they could do for me currently, as mentioned above.
 

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the technician made me aware that if you drive for a longer period of time 10 minutes like night driving without cars it will turn off and I was like okay well what about in the middle of rush hour cause it does!

it is a bunch of BS. Something is wrong with your BSM
 

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i had same turn off issue when driving a 2 lane road in Northern wisconsin, tech said 15 min. it'll shut off, and sure enough, only then , when i restart car it comes back on, on highways with other cars, works fine. city streets fine.
 

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Here's my story... I had this come on when I was on the Blue Ridge Parkway in NC (coming down from Grandfather Mountain to Asheville). The only thing I could figure out was that there was a stone wall all the way along a section on that road.

The wall is mostly stone (some concrete for drainage) and varies from about 3 to 5 feet off the road surface. The walls vary in height as well. Two lane road with oncoming traffic that maybe the sensor on the other side would "pick up" ?? Not sure, but I did get the error.

I did like Pete exSF and just "rebooted." (There are sightseeing stops along this road every 3-5 miles.) The warning came on and I drove to the next planned parking spot. When I restarted the car, the error went away and I have never seen it since.

Maybe the brain on the computer is 'too smart' for low-population / rural areas? I drive on what I consider "back roads" here, but there hills, valleys, on-coming traffic, mail boxes, guard rails, etc. I guess what I'm trying to say is that maybe since the system doesn't see changes in the radar signal return... that the control module brain would consider 'normal' changes in reflections, it just craps out.

Now...if it goes out when you are in traffic, well that's a serious problem. Hopefully you can get this resolved soon. Keep us updated.
 

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However besides it turning off in traffic, I could be driving along day or night when I know no one happens to be around at the time and go to change lanes and it will beep like there is a car in my blind spot.... anyone else having issues?
I am having the same issues! I bought the car brand new a month ago, and my right blind spot indicator keeps indicating there is a car when there is nothing there.. I took my car back into Hyundai and they said they couldn't find anything. I've now filmed it on multiple occasions and they are going to have another look and review my videos next week.
 

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Discussion Starter #8
Oh my gosh! If anything seriously comes of this let me know I try and try to get it on camera and never can... and of course no one will be in the car with me when it happens so they can witness it too!!!!!
 

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Here is something else to think about... there may be dirt/grime/crud under your bumper where (I think) the sensor actually resides. Take a look and may want to spray a hose under the car. It could have gotten mud or other debris under the car when going through a puddle or when raining.
 

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Going back a while...but here are my observations.

I had a 2019 SEL with the Tech Package. I now have a 2020 Limited FWD. The Blind Spot Warning seems to be "better" ?? ...maybe more "sensitive" on the 2020 than on the 2019.

The 2019 would sometimes "miss" a vehicle if it was tall (like a pickup truck or panel van). The 2020 seems to "see" vehicles like this much better and the warning comes on.

Not sure if that makes any sense, but it could be that Hyundai changed the program/radar pattern for 2020.
 

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I haven’t had any issues with the system on a 2018.. it sounds like BS where they are telling the customer it turns off in 10 minutes if no other cars around ? What ? someday Hyundai support will learn about what they are supposed to be servicing.. I wonder if there is actually any serviceable parts on these systems.. other than aiming properly ..
 

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I have a 2020 kona and there is definitely something wrong. You can be driving along on any road 2 or 4 lane at any speed and the dash will say check blond spot warning system and then it will flash front collision warning when absolutely nothing is around after that it will violently down shift and lock in that gear. It will not shift until you pull over and shut the car off to reset it. It has happened at 70 mph and as little as 25mph. It has been back to the dealer and is going back tomorrow because it happened to my wife tonight at 45mph. The last time it was there they said there were no codes in the computer and could find nothing. Has anyone had this happen and if so did your dealership find anything.
 

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I haven't had any warnings of it NOT functioning. I am still learning this car....only had it for two weeks so far but I have noticed that as I pass on freeway, often times the RH BSW won't indicate as I pass. I REALLY notice it when I pass 18 wheelers. You would think something that large they would not miss.....but I wonder if all the open area under the trailer is what is causing the "blind spot" of the Blind Spot Warning sensors.
 

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I have a 2020 kona and there is definitely something wrong. You can be driving along on any road 2 or 4 lane at any speed and the dash will say check blond spot warning system and then it will flash front collision warning when absolutely nothing is around after that it will violently down shift and lock in that gear. It will not shift until you pull over and shut the car off to reset it. It has happened at 70 mph and as little as 25mph. It has been back to the dealer and is going back tomorrow because it happened to my wife tonight at 45mph. The last time it was there they said there were no codes in the computer and could find nothing. Has anyone had this happen and if so did your dealership find anything.
OMG I have been looking all over for someone else with this problem. I had my car towed to a dealer, but he can replicate the problem. Have you found a solution? I'll read on but I wanted to respond as soon as I saw this!
 

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I have a 2020 kona and there is definitely something wrong. You can be driving along on any road 2 or 4 lane at any speed and the dash will say check blond spot warning system and then it will flash front collision warning when absolutely nothing is around after that it will violently down shift and lock in that gear. It will not shift until you pull over and shut the car off to reset it. It has happened at 70 mph and as little as 25mph. It has been back to the dealer and is going back tomorrow because it happened to my wife tonight at 45mph. The last time it was there they said there were no codes in the computer and could find nothing. Has anyone had this happen and if so did your dealership find anything.
OMG I have been looking all over for someone else with this problem. I had my car towed to a dealer, but he can replicate the problem. Have you found a solution? I'll read on but I wanted to respond as soon as I saw this!
This is what I posted in the Engine & technical section of this forum

Hi I have a 2020 Kona AWD 6-speed automatic transmission. Millage ~5000mi.

The 1st time this happened I was driving on the interstate when I saw a warning on my dash from the Forward Collision Warning system & the Blind spot warning at the same time. I looked all around & there was not a car in sight & a second later I felt the car jolt like I had hit something. Since there was no one around I thought it must have been a rock (felt like a large rock). I pulled over, shut off the engine, got out, checked all the tires & looked for any sign of a collision, & found nothing. I got back on the road & all was well, so I chalked it up as a weird mystery. It's happened 3 more times with the same sequence of events. First time was 10/16/20 the last 2Xs on 11/13. I had the car towed to the nearest dealer & of course they can't replicate the problem. Has this happened to anyone else?

Sequence of events:
1)"Forward Collision Avoidance FCA Warning" & "Blind Spot Detection" warning to check blind spot,
2) Then a jarring jolt in the front end
3) Then high whine coming from engine that sounds like too high rpms for the gear you are in.

It's happened 3X at 70mph on the highway & 1X at 40mph. I happened 2X today 11/12.

Thanks!!
 

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Hello JPM#3, I'd like to put your service tech in touch with mine so they can discuss solutions. I just joined this forum & I'm not sure there is a PM section if you'd rather reply that way, but my car is currently at Midstate Hyundai in Barre VT & the service manager is Bob. Service center phone# 888-498-5243. Hope we can find a solution!
 

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OMG I have been looking all over for someone else with this problem. I had my car towed to a dealer, but he can replicate the problem. Have you found a solution? I'll read on but I wanted to respond as soon as I saw this!
Mine has been back 2 times now and they keep it for about 3 weeks and then give it back because they can't find anything they say they have several different people drive it but it doesn't happen for them so I guess I'm just gonna keep driving it until it happens again then I will take it to them if it makes it there please keep me posted if your dealership is able to find anything thanks
 

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Mine has been back 2 times now and they keep it for about 3 weeks and then give it back because they can't find anything they say they have several different people drive it but it doesn't happen for them so I guess I'm just gonna keep driving it until it happens again then I will take it to them if it makes it there please keep me posted if your dealership is able to find anything thanks
What concerns me is that, if they turn off the FCA (forward collision avoidance) warning, the situation may be avoided, but we are now minus an important safety feature we paid for! Do you have a list of the things they did before they returned the car?
 

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What concerns me is that, if they turn off the FCA (forward collision avoidance) warning, the situation may be avoided, but we are now minus an important safety feature we paid for! Do you have a list of the things they did before they returned the car?
They did nothing because they couldn't get it to happen for them and it would never store the code in the computer they had several people drive it in many different areas and could never duplicate the problem so they weren't able to do anything my wife fixed it last night and went and bought a new car she was scared to drive it
 
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