2018 Hyundai Sonata Lane departure Problems
- Complaints
- 3about this part
- Share
- 1%of 375 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the lane departure of the 2018 Hyundai Sonata, 1% of the 375 complaints for this model year.
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.
“Warning lights keep coming on for ABS and Blind Spot Detection. Please help as I know this has been recalled in other 2018 Sonatas. So why is my VIN # not included in these recent recalls?? I FEAR for mine and my daughter's safety as she turned 16 in February 2023 and started driving this car in August 2023. PLEASE HELP!!”
NHTSA complaint #11556365, filed 2023-11“when the car is cold it would not start. I checked what the problem can be online and it turns out that there are a lot of out cars with the same problem. The problem is starter. sever people after changing the starter there vehicle was fixed. Another problem is sometimes the blind spot warning system does not work. These problems are reported by people with the same car but not by dealers.”
NHTSA complaint #11442446, filed 2021-12“BSD system stopped working one day along with the Rear Cross Traffic Alert.The button which operates system does not come and system does not work. Warning lamp lit on instrument panel and said check B SD system meaning the whole system doesn't work. Took to my local shop and they couldn't repair as they stated the system is a proprietary system the had no software. service bulletin #19-BE-009H was issued in 5-19 by Hyundai for this issue with car. So there is a know problem”
NHTSA complaint #11648673, filed 2025-03Related service bulletins
- 10169370Nov 4, 2019The Blind Spot Detection (BSD) or Blind-Spot Collision Warning (BCW) is a system that measures the speed of and distance from the following vehicles by using two magnetic wave…
- 10161751May 16, 2019This bulletin provides information for troubleshooting of the Blind-Spot Collision Warning (BCW/BSD) system whenever it exhibits Diagnostic Trouble Code (DTC) C120B/D or C160A.
Lane departure: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2024 | 2 | 4% |
| 2023 | 2 | 2% |
| 2022 | 3 | 3% |
| 2021 | 3 | 2% |
| 2020 | 3 | 2% |
| 2019 | 5 | 3% |
| 2018 | 3 | 1% |
| 2017 | 1 | 0% |
| 2016 | 3 | 0% |
| 2015 | 4 | 0% |
| 2013 | 1 | 0% |
| 2006 | 1 | 0% |
| 2002 | 1 | 0% |
Other parts of the 2018 Hyundai Sonata
212 complaintsElectrical system
60 complaintsOther or unknown
59 complaintsTransmission and drivetrain
40 complaintsFuel system
34 complaintsExterior lighting
22 complaintsVehicle speed control
19 complaintsBrakes
17 complaintsBody and structure
17 complaintsEngine cooling
14 complaintsSteering
9 complaintsLatches, locks and linkages
8 complaints
← All problems reported for the 2018 Hyundai Sonata
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