Active lane keeping function feature disengages without audible warning leading to multiple near collisions. Happens without warning or any particular trigger. Was brought to the kia specialist attention and he did not seem surprised or concerned. Happens almost every time this feature is utilized at some random point in the drive.
2024 Kia EV9: lane keeping assist jerks the wheel
7 of the 212 complaints about the 2024 Kia EV9 describe lane keeping assist jerks the wheel.
- owner complaints
- 7
- of this car's complaints
- 3%
- recalls
- 0
Is there a fix? 1 service bulletin covers this area of the car. See below
What owners say
When the vehicle is in adaptive cruise mode and tracking a lane with Lane Keeping Assistance, if the lines on the road widen beyond a certain point (perhaps 3-5ft wider than a normal lane), the vehicle will suddenly stop maintaining the lane with no audio warning or significant visual indicator. As the driver should always be paying attention, it is the lack of an audio warning that is the major concern. On a straight road, the vehicle will slowly begin to drift out of the lane. However, when this happens on a curve, the vehicle will suddenly stop steering around the corner, and throw the vehicle out of the lane in a dangerous way. This happens all the time when the lane widens, which I often experience on newer freeways with wider lanes. If a fix can't be provided for the system shutting down, it at least needs an audio warning indicator so the driver is alerted to what is happening and can safely take control.
The screen that shows speed, miles remaining, etc. went black on a long trip. All of the automated cruise control, lane keeping, etc. are also housed in that screen. The blinkers would not work, I had no idea how fast I was going at any time which is unsafe. I could not see how much range is left on the vehicle which I imagine could lead the car just dying while driving or going into the turtle mode with too low of a charge. Also, the adaptive cruise control was not working properly and at one point when a car in front of me moved over out of my lane, the car accelerated hard and brought me up to about what was probably about 90-100mph, not even close to where it was set earlier. 2 hour drive without screen or these safety features and the screen still is not back. I will be taking it into the dealership. This is the second time this screen went out but luckily the first time I was not on a 2 hour work trip/drive and was able to just leave the car in my driveway and use another vehicle.
The lane assist feature will not turn off. It also behave erratic. Today on the highway it lurched me towards an empty flatbed semi. It will also pull towards oncoming traffic and scares me to drive the car.
In brand new 2024 Kia EV9, the steering wheel shakes at or above speeds of 65mph. Replicated symptoms in all regen modes, as well as with regenerative braking turned off. Replicated symptoms with lane assist and highway driving assist both on and off. Issue presents itself on various different conditions of road surfaces. Brought vehicle to dealership service department and they stated that alignment was perfect and there was no unusual tire wear. Service advisor went on test drive with me and witnessed the symptoms but disregarded it as possible uneven road surfaces and said they wouldn't know how to go about fixing it. The service invoice states "nothing is wrong with this vehicle" which is completely untrue. Tire balance was not checked. Confirmed with other owners of both the EV9 and EV6 that this is an ongoing issue with no known fix action or open TSB from Kia. Issues are not present below 60mph.
The contact owns a 2014 Kia EV9. The contact stated while driving at various speeds, the Lane Keep Assist failed, and the vehicle started pulling to the outside of the intended lane. There were no warning lights illuminated. The dealer was not made aware of the failure. The vehicle was not repaired. The manufacturer was contacted; however, no assistance was provided. The failure mileage was unknown.
When in Highway Drive Assist mode, where the system controls the speed and lane keep and lane change, the system can disengage without any visual or audio warning. This causes dangerous scenarios where the driver believes the car is in control but it is not.
Service bulletins that may apply
Related recalls
No recalls on record for this model year.
Questions about the 2024 Kia EV9 lane assist
Is lane keeping assist jerks the wheel a common problem on the 2024 Kia EV9?
7 of 212 owner complaints about the 2024 Kia EV9 (3%) mention lane keeping assist jerks the wheel.
Is there a recall or service bulletin for this on the 2024 Kia EV9?
There are 0 recalls and 1 service bulletin for the same area of the car. Check them below with your VIN.
Other symptoms on the 2024 Kia EV9
Screen failure 15Wipers 9Adaptive cruise 8Loss of power 7Tire blowout 5
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