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Blind Spot Detection System - false alarms?

How accurate are your blind spot detectors?

  • No false alarms.

    Votes: 15 31.9%
  • Occasional false alarms, mostly works fine, I trust it.

    Votes: 24 51.1%
  • Occasional false alarms, mostly works fine, I don’t trust it.

    Votes: 4 8.5%
  • Constant false alarms.

    Votes: 4 8.5%

  • Total voters
    47

NotMyMainAccount

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Any time I'm next to a highway barrier - and sometimes even when I'm not - my driver's side blind spot indicator goes off. This is with me in the fast last, and even with me in the slow lane and no other cars around.

This happens so much I've had to turn the system off as I can't trust it. I do believe it's safer to have a working system so I'm wondering how normal this is.

Thanks for your input!
 
Any time I'm next to a highway barrier - and sometimes even when I'm not - my driver's side blind spot indicator goes off. This is with me in the fast last, and even with me in the slow lane and no other cars around.

This happens so much I've had to turn the system off as I can't trust it. I do believe it's safer to have a working system so I'm wondering how normal this is.

Thanks for your input!

I have a 2010 Mazda CX-9 Grand Touring and it has a BSM system as well. It does the same thing that you're speaking of here. The system in our Genesis is not perfect, but it is light years ahead of my Mazda's system, which is actually a very nice option.

One item of note... I believe the sensitivity on this system is set higher than my Mazda. In dual turning lanes, the Genesis will trigger an alert, while the Mazda does not.

All in all, I think this system is massively valuable on automobiles and will most likely become one of those standard safety features you see on all cars.
 
Mine (mostly drivers side) goes off frequently on a two lane highway with no other traffic and no barriers. There's a lot of rough pavement, but I don't think that's the cause since I've driven over similar pavement on other roads without any false alarms. I may try to have it diagnosed during my routine service, but I doubt they'll be able to reproduce the problem.
 
I have noticed very few false alarms. But I do get alarms in the dual left turn lanes situation.
 
In a dual turn lane, that is not a false alarm as far as the system was designed. It is a tough task to try and filter for that condition. It attempts to reduce false alarms by suppressing the alarm if you are under 20 MPH, but when you pass that speed, it comes on.

I have experienced the "ghost car" occasionally. I will have to note if I see it on the same stretch of road to test the rough pavement theory. One time I experienced it, there was a pretty good cross wind.
 
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In a dual turn lane, that is not a false alarm as far as the system was designed. It is a tough task to try and filter for that condition. It attempts to reduce false alarms by suppressing the alarm if you are under 20 MPH, but when you pass that speed, it comes on.

I have experienced the "ghost car" occasionally. I will have to note if I see it on the same stretch of road to test the rough pavement theory. One time I experienced it, there was a pretty good cross wind.

In a marked ual turn lane, there typically is no reason to have your turn signal on anyhow, so you can avoid the alarm that way. I have yet to have any false alarms!
 
In a marked ual turn lane, there typically is no reason to have your turn signal on anyhow, so you can avoid the alarm that way. I have yet to have any false alarms!
Ah ... the East Coast, you don't drive, you aim. :D JK Drove a week in Boston once where they thought stop light were just a suggestion. Ask for directions and get the reply: "You can't get there from here." :confused: Is it walled off with a moat?
 
Ah ... the East Coast, you don't drive, you aim. :D JK Drove a week in Boston once where they thought stop light were just a suggestion. Ask for directions and get the reply: "You can't get there from here." :confused: Is it walled off with a moat?

? Not sure what you mean? i do use my blinkers when turning, but if in lanes that are marked as turn only you really are not required to have a turn signal on. Also, I was saying I've never gotten a false alarm - meaning when the system warns me that there is always actually a vehicle there. Do agree with Boston though - crazy place to drive and if you miss a turn you almost have to exit the city and try it again...
 
I get numerous fall alarms especially on two lane roads. Always left side, with or without guard rail, bridge etc. Frequently when car going other direction sets it off, it remains on for several seconds. Thought I might take it in to check.
 
I get numerous fall alarms especially on two lane roads. Always left side, with or without guard rail, bridge etc. Frequently when car going other direction sets it off, it remains on for several seconds. Thought I might take it in to check.

Wouldn't waste your time if I were you. Your experience is mine + I get it on 4+ lanes with barriers in the middle, and sometimes without anything there. I have videos with barriers and my service manager escalated it to the regional Hyundai field tech. The field tech highlighted the Hyundai CYA phrases like:

"The system may not operate properly due to other factors or circumstances. Always pay attention to your surroundings."

"The detection area differs according to the roads width. If the road is narrow the system may detect other vehicles in the next lane. In addition, if the road is very wide the system may not detect other vehicles."

[under non-operating conditions:]
"A fixed object is near such as a guardrail, tunnel, human and animal etc."


Making sense of the last item depends on how the phrase "non-operating condition" is interpreted. If you take it to mean that the light won't come on, that's clearly false. Whereas if you take it to mean "don't trust BSD alerts" then it's accurate.

I'm done fighting Hyundai. I fought them over the tires for so many months and it's great that there's a program in place now, but between this and my local service department being crap AND not giving a crap, I'm done with Hyundai too (since there's only one service center in the area.)

Overall I love this car and would still highly recommend Genesis sedans to strangers on the internet with good (or even unknown) local service centers. But not mine. My sales rep is a kickass guy too, can't recommend him highly enough, but unfortunately won't any more because seriously, **** that service dept. I'm not blaming Hyundai's BSD policy and I haven't mentioned the service dept's failings here because it doesn't help anyone, but I'm just done.

Fool me once, shame on you. Fool me twice, shame on me. It's been many, many more times than twice. :/
 
2 times today I had false alarms. Blatant false alarms, where no cars were around. The first time it scared the shit out of me, I swung my head around to see nothing at all. :mad:

First 2 false alarms I've had in the first 1200 miles of ownership.

EDIT: I was in the middle lane of a 3 lane divided highway, so no barriers or trees, etc
 
It's funny, Motorweek mentioned it about the K900 in their long term test segment along with the radio lock up.
 
Mine has been false free so far. What is irritating though is the volume level of the warning. I know you can adjust the NAV voice but is there a way to lower the warning buzzer? Even if you're expecting it the sound of the warning will make your heart skip a beat.
 
In the small screen where the gages are, you can control the sound of the Blind Spot system. You can either have the sound on or you can turn it off.

 
In the small screen where the gages are, you can control the sound of the Blind Spot system. You can either have the sound on or you can turn it off.


Thanks for reminding me to try the obvious first. How easy it is to forget that these things come with a book :rolleyes:.
 
You could try disabling the POP feature, or you could turn the blindspot off in the EVIC, or you could find the correct fuse and pull that. It could be a problem with the battery. Majority of the false alarms are caused due to a completely drained battery. I found a blog from think protection that mentions some tips on how to get rid of false alarm https://www.thinkprotection.com/blog/alarm-system/4-tips-to-help-prevent-false-alarms/ .
 
I have the same problem with our 2018 G80. Sometimes, when the passenger side turn signal is used, it will alarm, even if there is nothing in the blind spot. Likewise, I can see the light on the passenger side mirror light up intermittently as we're driving down the road, again with nothing in the blind spot. It always alarms correctly if there is something in the blind spot. Is this a calibration problem? The driver's side alarm works properly.
 
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