2021 Hyundai Elantra · symptom sheet
Forward collision warning goes off or the camera drops out
- 28owner reports
- 1involved a crash
Newest report Dec 11, 2025 · checked Oct 2, 2026
28 of the 131 complaints on this car describe false collision warning. Only seat belt is reported more often on this car.
Tick what matches of 28 reports
False collision warning on other Elantra years
No other Elantra model year has enough reports of false collision warning for a sheet of its own. See every Elantra year.
What this problem usually is
This group is about the forward collision warning itself. Owners describe alarms with nothing ahead, a forward camera that fails or reports itself blocked, and other safety features shutting off at the same moment. A lot of them happen at highway speed, and a lot end with a dealer who couldn't reproduce it.
What got replaced
Owners who name the part that was replaced mention the radar sensor (9 reports) and the software (7 reports).
Recalls and investigations
No recall on collision avoidance covers the 2021 model year as of Oct 2, 2026.
When it happens
Too few of these reports state a mileage to give a range.
What owners wrote
“Just quit working after being adjusted still not fixed though has been to Hyundai. Say parts are back ordered for months”
Filed Jun 22, 2023
“I was traveling in the rain and a CHECK FORWARD SAFETY SYSTEM warning appeared on my dashboard. There was nothing in front of me to set that off. I notified the dealership and they said it was an alignment code and must have gotten hit.( Which I doubt) so wasn't covered under warranty.”
Filed May 25, 2023
“Check forward safety system is on all the time, dealer refusing to fix it. Did have airbag recall repai done yesterday Had computer update done on car.”
Filed Jan 3, 2023
“Forward collision system continually fails. This disables the vehicles cruise control. The vehicle has been in the shop multiple times with no resolution.”
Filed Nov 22, 2022
Should you keep driving it?
This page can't tell you that. 1 of 28 reports involved a crash. Owners who file are the ones who had a bad experience, and nobody checks their reports. If the problem affects steering, braking, power or a fire risk, treat it as a safety fault and have it inspected before a long or high-speed drive.
File your own report with NHTSA. Complaint counts are how a problem gets an investigation. How reports land on this sheet.
Guide Taking it to a shop? How to describe this problem so it gets found
Other problems on this car
- Seat belt or seat problems 29 reports