Table 1 shows seven common electrical system related problems of the 2016 Hyundai Sonata. The number one most common problem is related to the electrical system (113 problems). The second most common problem is related to the horn assembly (two problems).
| Problem Category | Number of Problems |
|---|---|
| Electrical System problems | |
| Horn Assembly problems | |
| Car Will Not Start problems | |
| Wiring problems | |
| Alternator/generator/regulator problems | |
| Software problems | |
| Cybersecurity problems |
Went from 65 and dropped down to 40 going up grades on the freeway. Started shaking, check engine light went on and electric battery disappeared from dash. Got to top of grade, went back to normal. Problem repeated on next grades. Read details...
On more than one occasion I have almost had a collision because the other driver was coming into my lane and I honked my horn, but it isn't loud enough to be heard. Apparently this has been an issue with the Sonata since 2011. Read details...
The car when driven highway miles will not crank when you stop the engine. The check hybrid system light message comes up. The car will not start for 15 to 45 minutes. The engine light is on once the car starts but the next day there are no lights or diagnostic codes. Read details...