2021 Hyundai Elantra Forward Collision Avoidance: Warnings Problems

NHTSA component category: FORWARD COLLISION AVOIDANCE: WARNINGS · data through 07/12/2026

28Forward Collision Avoidance: Warnings complaints

21.9%Of all 128 complaints

#2Most-reported category

Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.

How forward collision avoidance: warnings ranks on this vehicle

Unspecified / other29 · 22.7%

FORWARD COLLISION AVOIDANCE: WARNINGS28 · 21.9%

ELECTRICAL SYSTEM26 · 20.3%

SEAT BELTS26 · 20.3%

FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL16 · 12.5%

Share of the 128 complaints citing each category; one complaint can cite several. Full breakdown on the 2021 Hyundai Elantra overview page.

What owners report

“Forward collision sensor suddenly failed to function properly. This issue was NOT caused by any damage or a collision; it happened while driving on the…”NHTSA complaint 11583833 — filed 04/18/2024

“Pop up display "Check Forward Safety System and Check Smart Cruise Control System" during driving on the free way with no reason. 3 month ago…”NHTSA complaint 11576260 — filed 03/08/2024

“vehicle only has 14k miles and is showing an error message for "check forward safety system" and "check smart cruise control system" after some research…”NHTSA complaint 11562509 — filed 12/29/2023

Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.

Forward Collision Avoidance: Warnings complaints by year filed

Frequently asked questions

Does the 2021 Hyundai Elantra have forward collision avoidance: warnings problems?

Forward Collision Avoidance: Warnings is the #2 most-reported problem area on the 2021 Hyundai Elantra: 28 of 128 complaints on file (21.9%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 2021 Hyundai Elantra have in total?

128 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 8 involved a crash, 1 involved a fire, 3 reported injuries, and 1 reported deaths.

What does NHTSA's forward collision avoidance: warnings category include?

NHTSA assigns each complaint to standard component categories; this page reports the FORWARD COLLISION AVOIDANCE: WARNINGS category exactly as NHTSA defines and records it.

About this data — Complaint figures on this page are consumer reports submitted to the National Highway Traffic Safety Administration (NHTSA), a U.S. government agency. NHTSA does not verify individual complaints; a complaint is not proof that a defect exists, and counts reflect what owners chose to report, not confirmed failure rates. Recall information comes from official NHTSA safety recall campaigns; recall repairs are free at authorized dealers. Always check your specific vehicle by VIN at nhtsa.gov/recalls. CarModelProblems.com is an independent site and is not affiliated with NHTSA or any vehicle manufacturer. Data through 07/12/2026.