general problems of the 2018 Hyundai Sonata

Six problems related to exterior lighting have been reported for the 2018 Hyundai Sonata. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2018 Hyundai Sonata based on all problems reported for the 2018 Sonata.

1 Exterior Lighting problem

Failure Date: 08/03/2025

Back up lights. The lights constantly burn out causing the harness light holder to burn out. The lights will not come on even after replacing fuse and lights there are not back lights to warn patrons on the road for turning or stopping yes it was taken to a dealership no it has not been inspected my either , but there is a recall on models of the same car but years 2011-2014 no there were no warnings , someone told me they were out.

2 Exterior Lighting problem

Failure Date: 07/01/2025

Check engine light keeps coming on got it looked at , certain parts replaced & it’s still on something to do with the air filter.

3 Exterior Lighting problem

Failure Date: 01/05/2021

The lock for the trunk , open automaticly , it stay lock and wont open. . . .

4 Exterior Lighting problem

Failure Date: 02/14/2019

While driving my vehicle at nearly 70 mph on the freeway, my car suddenly felt like I hit a brick wall and my check engine light came on and began flashing. I was then unable to accelarate past 55 and felt my car had a very sluggish response when stepping on the gas pedal. I was nearly hit by another car because there was no warning (break lights) when my car immediately slowed down. I then had to have my car towed 50 miles from where I was to the dealership near my home. When I brought in my car they said they had another car with the same exact issue. I called after my car had been there for approximately three days to get a status update and they said they still didn't know what was causing the issue, but that a third vehicle had now been brought in for the same issue. Today a week later, I called to get an update and the other two vehicles they are fixing with a new wiring harness; however mine they stilll are unsure what the issue is. This is now the third issue I've had with my car in less than 13,000 miles. Previously my car was having trouble starting the dealer said everything was fine. Also my front running light burned out at nearly 7k miles.

5 Exterior Lighting problem

Failure Date: 06/01/2018

Tl- the contact owns a 2018 Hyundai Sonata. The contact stated that while operating the vehicle at night with the low beams lights turned on the lights would not illuminated past 2 car lengths in front of the vehicle. The cause of the failure was not diagnosed or repaired. The manufacturer and local dealer were not notified of the failure. The failure mileage was 1700. Jft.

6 Exterior Lighting problem

Failure Date: 03/01/2018

I was one of the first people to drive off with this 2018 Sonata 2. 0t trim in ending of 2017. Fast foward to now, I have been having electrical, lighting and engine problems. When driving at night, it is hard to see what's 30 feet from you on the ground because there's some parts that the light doesn't illuminate very well. When I have my car's interior lights on auto meaning to turn on, whenever I open the driver's door, it doesn't turn on. Sometimes my headlamps won't turn on neither, when I press the unlock button from my keys. Couple of months back and still is happening to this day my cars engine will start up funny or start up a couple of seconds late after pushing the start button. It even happens when I let my car sit for a day without driving. I've been to the dealer now and told them about the issue with the interior lights and I am waiting on them to get me some new lights for the interior (pretty sure that's not the problem). I know now that it's something electrical seeing all these comment/issues left on here. I paid too much to have this happening to my car. Maybe I should of just stuck with japanese smh. Help please.


Other Exterior Lighting related problems of the 2018 Hyundai Sonata

Headlights problems
15
Exterior Lighting problems
6
Fog Light Switch problems
1


Sonata Service Bulletins
Sonata Safety Recalls
Sonata Defect Investigations