2018 Hyundai Kona Electrical system Problems
- Complaints
- 8about this part
- Share
- 11%of 75 total for the year
- Median mileage
- 28,785miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 8 complaints about the electrical system of the 2018 Hyundai Kona, 11% of the 75 complaints for this model year. Where a mileage was given, the median is 28,785 miles. 2 of these say a crash was involved and 4 a fire, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“When car she starts car and in morning and night , when I puts in gear and and steps on gas the headlights flicker off and on until she gets on road about a mile. Had this check at Hyundai dealer and they said nothing is wrong but it still continue to do this. This could be hazard when I drive in the dark.”
NHTSA complaint #11210012, filed 2019-05, 12,676 miles“I have a 2018 Hyundai Kona, with approximately 42,000 miles on it. The right front passenger door began having problems sometime in 2022. When I first inquired about the door at Riverside Hyundai, I was advised that the problem might be covered under warranty. I did not have the problem diagnosed at that time. Today, I had the problem diagnosed, and I was advised that the repair would cost $453.00, with parts and labor. After Googling the problem, I discovered that quite a few Hyundai owners have a problem with their door locks. …”
NHTSA complaint #11547495, filed 2023-09“-On numerous occasions my map on display enlarges itself on the screen all on it’s own. The only way this can occur is if I touch the screen and enlarge it myself with my finger. -My volume in settings were changed within a minute. I selected all settings to level 38 and then when I returned to the screen they had been changed. (See screenshot). This occurrence has happened so much, that I’ve lost count. -Furthermore, they have bypassed my key fob and have gained access to the inside of my vehicle. …”
NHTSA complaint #11441202, filed 2021-11“My vehicle suffered an electrical fire that wasn't covered under warranty just 2 months after I purchased it. It was inspected by the manufacturer, repair facility(licensed dealer) and insurance however I was denied the inspection report. A Hyundai warranty information sheet states my vehicle had 1 unrepaired service campaign in 6/2022 for the FCA forward collision avoidance. Which meant it was also sold to me without being disclosed. However the NHTSA website says it has 0 unrepaired recalls. Right before the electrical fire the electrical system went haywire. …”
NHTSA complaint #11521429, filed 2023-05“We had parked our 17 year old son's car in the upper parking lot of our baseball field. While parked, the engine smoked, then spontaneously caught fire. The police arrived on sceere!!!! We totally cannot comprehend that this even happene, along with our fire department who was able to put out the pretty massive engine fire, along with some of the front being damaged as well. Our son had been driving this car to our high school and also the high school baseball field, with pretty packed lots. It unbelievable to even imagine if this happened thned to a pretty new car (22,000 miles on it). …”
NHTSA complaint #11467695, filed 2022-06Related service bulletins
- 11031400Apr 18, 2026Some vehicles may exhibit difficulty starting in cold weather. This bulletin provides the procedure to perform an inspection on the starter magnetic switch for potential freezing…
- 11026704Dec 19, 2025In response to this trend, we engineered a software upgrade that addresses the social media theft method and made it available to owners of eligible models free of charge at…
- 11027035Dec 15, 2025Upon customer's request ONLY, the Technical Service Bulletin (TSB) 25-01-089H provides the service procedure for installation of a key cylinder reinforcement protector assembly…
- 11027034Dec 15, 2025In addition to the Anti-Theft software provided under Service Campaign 993 (TSB 24-01-009H-1), a zinc reinforced ignition cylinder protector hardware upgrade is being made…
- 11027033Dec 15, 2025This bulletin provides the service procedure for installation of a key cylinder reinforcement protector assembly and two anti-theft decals on the front windows.
- 11018575May 8, 2025Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink Service functions. This may be due to an irregular disconnection on Verizon’s…
- 11017111Apr 7, 2025Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink Service functions. This may be due to an irregular disconnection on Verizon's…
- 11015936Mar 18, 2025Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink Service functions. This may be due to an irregular disconnection on Verizon’s…
- 11000788May 10, 2024A class settlement against Hyundai Motor America (“HMA”) that had alleged that certain 2011 – 2022 model year Hyundai vehicles that were not equipped with an engine immobilizer…
- 11000314May 9, 2024A class settlement against Hyundai Motor America (“HMA”) that had alleged that certain 2011 – 2022 model year Hyundai vehicles that were not equipped with an engine immobilizer…
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2026 | 2 | 20% |
| 2025 | 9 | 32% |
| 2024 | 31 | 58% |
| 2023 | 26 | 39% |
| 2022 | 22 | 22% |
| 2021 | 11 | 9% |
| 2020 | 11 | 7% |
| 2019 | 18 | 9% |
| 2018 | 8 | 11% |
Other parts of the 2018 Hyundai Kona
42 complaintsOther or unknown
25 complaintsTransmission and drivetrain
11 complaintsFuel system
4 complaintsEngine cooling
3 complaintsExterior lighting
3 complaintsForward collision avoidance
3 complaintsBody and structure
3 complaintsVehicle speed control
3 complaintsVisibility (wipers, defrost, mirrors)
3 complaintsAir bags
2 complaintsBack-over prevention (rear camera)
1 complaints
← All problems reported for the 2018 Hyundai Kona
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology