2020 Hyundai Sonata Lane departure Problems
- Complaints
- 3about this part
- Share
- 2%of 182 total for the year
- Median mileage
- 4,812miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the lane departure of the 2020 Hyundai Sonata, 2% of the 182 complaints for this model year. Where a mileage was given, the median is 4,812 miles.
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.
“Gases from the dashboard heating cause a film to form between the windshield and the camera. Because of this, in heavy direct sunlight, lane keep assist toggles on and off without warning causing unintended lane departures with out warning. Also, when using smart cruise control, the vehicle slows to a stop but may continue moving slowly even after displaying the press gas to continue screen. The auto hold light does not illuminate.”
NHTSA complaint #11373076, filed 2020-11, 9,000 miles“The driver seat belt pops out sometimes for reasons unknown. The speakers suddenly stop working at random times so I got lost while listening for navigation directions safely paying attention to the road instead of watching the screen for upcoming turns. And the biggest one, a few times I almost crashed into oncoming cars and guard rails because if the road has a dip the sonata decides to jerk hard to the side and overcorrect itself when lane assist is on. …”
NHTSA complaint #11425567, filed 2021-07Related service bulletins
- 11029906Feb 25, 2026Some 2019MY and newer vehicles equipped with a front view camera may illuminate certain warning lights and trigger DTC C272246 fault code for the front camera. In the following…
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 2020 Hyundai Sonata
59 complaintsElectrical system
40 complaintsEngine
32 complaintsOther or unknown
30 complaintsTransmission and drivetrain
24 complaintsBody and structure
17 complaintsSeats
16 complaintsForward collision avoidance
12 complaintsAir bags
7 complaintsSteering
7 complaintsVehicle speed control
7 complaintsVisibility (wipers, defrost, mirrors)
7 complaints
← All problems reported for the 2020 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